Alert archive / Montana / Winter Storm Warnings in 2016

Winter Storm Warning 9, NWS Billings, MT

December 14, 201612 counties in Montana

NWS Billings, MT issued this winter storm warning at Dec 14, 2016, 4:59 AM MST for 12 counties in Montana. It took effect at Dec 14, 2016, 6:00 PM MST. It was in force for 58 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 14, 2016, 4:59 AM MST (11:59 UTC)
In effect from
Dec 14, 2016, 6:00 PM MST
Expired
Dec 17, 2016, 3:59 AM MST
In force
58 hr
Issued by
NWS Billings, MT

Counties Big Horn County, MT, Carbon County, MT, Carter County, MT, Golden Valley County, MT, Musselshell County, MT, Park County, MT, Powder River County, MT, Rosebud County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 34 km from the middle of the area, began a volume at 12:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 15, 1:00 AM MSTSNOW 23 N Cooke City, MT
Dec 15, 6:00 AM MSTSNOW 1.55 S Ryegate, MT
Dec 15, 6:00 AM MSTSNOW 2.55 Se Reed Point, MT
Dec 15, 6:45 AM MSTSNOW 22 Wsw Joliet, MT
Dec 15, 6:51 AM MSTSNOW 21 W Fort Smith, MT
Dec 15, 7:00 AM MSTSNOW 11 S Klein, MT
Dec 15, 7:00 AM MSTSNOW 16 W Bridger, MT
Dec 15, 7:00 AM MSTSNOW 1.11 Ene Fort Smith, MT
Dec 15, 7:00 AM MSTSNOW 1.21 S Park City, MT
Dec 15, 7:00 AM MSTSNOW 1.43 Ne Fromberg, MT
Dec 15, 7:00 AM MSTSNOW 1.78 E Columbus, MT
Dec 15, 7:00 AM MSTSNOW 213 Sw Roundup, MT
Dec 15, 7:00 AM MSTSNOW 2Ryegate, MT
Dec 15, 7:00 AM MSTSNOW 2.1Wilsall, MT
Dec 15, 7:00 AM MSTSNOW 2.27 E Columbus, MT
Dec 15, 7:00 AM MSTSNOW 2.3Twodot, MT
Dec 15, 7:00 AM MSTSNOW 2.510 Ene Melville, MT
Dec 15, 7:00 AM MSTSNOW 3.27 Ese Livingston, MT
Dec 15, 7:00 AM MSTSNOW 411 Sse Big Timber, MT
Dec 15, 7:00 AM MSTSNOW 4Mcleod, MT
Dec 15, 8:00 AM MSTSNOW 1.220 Nnw Lavina, MT
Dec 15, 8:00 AM MSTSNOW 1.31 Nnw Pryor, MT
Dec 15, 8:00 AM MSTSNOW 1.86 Wsw Park City, MT
Dec 15, 8:00 AM MSTSNOW 28 Sw Ryegate, MT
Dec 15, 8:00 AM MSTSNOW 2.21 Wsw Livingston, MT
Dec 15, 8:00 AM MSTSNOW 2.513 Sw Mcleod, MT
Dec 15, 8:00 AM MSTSNOW 3.26 Ene Livingston, MT
Dec 15, 8:00 AM MSTHEAVY SNOW 6Springdale, MT
Dec 15, 8:30 AM MSTSNOW 2.51 S Absarokee, MT
Dec 15, 8:30 AM MSTSNOW 3.22 Ssw Livingston, MT
Dec 15, 9:00 AM MSTSNOW 2.4Nye, MT
Dec 15, 9:30 AM MSTSNOW 2.52 Nne Roundup, MT
Dec 15, 9:30 AM MSTSNOW 36 Wsw Mcleod, MT
Dec 15, 9:50 AM MSTSNOW 4.3Big Timber, MT
Dec 15, 11:08 AM MSTHEAVY SNOW 71 N Big Timber, MT
Dec 15, 11:19 AM MSTHEAVY SNOW 7Park City, MT
Dec 15, 1:12 PM MSTSNOW 518 N Ryegate, MT
Dec 15, 1:12 PM MSTSNOW 5Ryegate, MT
Dec 15, 4:00 PM MSTHEAVY SNOW 6.518 Sw Fishtail, MT
Dec 15, 4:28 PM MSTSNOW 57 S Roundup, MT
Dec 15, 5:00 PM MSTSNOW 2.61 Ene Hardin, MT
Dec 15, 5:00 PM MSTSNOW 3Hysham, MT
Dec 15, 5:00 PM MSTHEAVY SNOW 9Ryegate, MT
Dec 15, 6:00 PM MSTSNOW 220 Ese Colstrip, MT
Dec 15, 6:00 PM MSTSNOW 4.21 S Rapelje, MT
Dec 15, 6:00 PM MSTHEAVY SNOW 10.45 W Melville, MT
Dec 15, 7:00 PM MSTHEAVY SNOW 19Big Timber, MT
Dec 16, 1:00 AM MSTSNOW 525 Ese Emigrant, MT
Dec 16, 1:00 AM MSTHEAVY SNOW 612 Ne Wilsall, MT
Dec 16, 1:00 AM MSTHEAVY SNOW 113 N Cooke City, MT
Dec 16, 1:00 AM MSTHEAVY SNOW 1414 W Nye, MT
Dec 16, 1:00 AM MSTHEAVY SNOW 142 N Cooke City, MT
Dec 16, 6:00 AM MSTSNOW 2.810 Ese Ashland, MT
Dec 16, 6:00 AM MSTSNOW 55 S Ryegate, MT
Dec 16, 6:00 AM MSTHEAVY SNOW 6.91 Nw Columbus, MT
Dec 16, 6:00 AM MSTHEAVY SNOW 85 Se Reed Point, MT
Dec 16, 6:30 AM MSTSNOW 5.81 S Roundup, MT
Dec 16, 7:00 AM MSTSNOW 2.2Wilsall, MT
Dec 16, 7:00 AM MSTSNOW 312 E Ashland, MT
Dec 16, 7:00 AM MSTSNOW 315 Ssw Volborg, MT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 12.0 hours before the alert went out and 257 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Great_falls, MT at 00:00Z on 2016-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 00:00Z on 2016-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

006 
WWUS45 KBYZ 141159
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
459 AM MST WED DEC 14 2016

MTZ067-068-151200-
/O.UPG.KBYZ.WS.A.0006.161215T0100Z-161217T0000Z/
/O.NEW.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
459 AM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 5 PM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 5 PM MST FRIDAY. 

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION AS WELL AS BLOWING AND 
  DRIFTING SNOW. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON.

* SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-151200-
/O.UPG.KBYZ.WS.A.0006.161215T0100Z-161217T0000Z/
/O.NEW.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
459 AM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 5 PM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW....WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 5 PM MST FRIDAY. 

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON. HEAVIEST
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY MORNING.

* SNOW ACCUMULATION...8 TO 10 INCHES WITH AROUND A FOOT POSSIBLE
  IN THE FOOTHILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-151200-
/O.UPG.KBYZ.WS.A.0006.161215T0600Z-161217T0600Z/
/O.NEW.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
459 AM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST FRIDAY. 

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND ON
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...6 TO 10 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-151200-
/O.UPG.KBYZ.WS.A.0006.161215T0600Z-161217T0600Z/
/O.NEW.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
459 AM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST FRIDAY. 

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. SIGNIFICANT
  SNOWFALL ACCUMULATION IMPACTING TRAVEL THROUGH BURGESS JUNCTION
  ON HIGHWAY 14.

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND ON
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...12 TO 18 INCHES. 

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-037-151200-
/O.CON.KBYZ.WC.Y.0003.000000T0000Z-161214T1700Z/
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
CUSTER-FALLON-CARTER-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER...EKALAKA...ALZADA...HAMMOND...BELLTOWER
459 AM MST WED DEC 14 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

* WIND CHILL ADVISORY

* TIMING...THROUGH THIS MORNING.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES MAY CAUSE 
  DANGEROUS CONDITIONS FOR THOSE EXPOSED TO THE ELEMENTS FOR 
  LONG DURATIONS.

* WIND CHILL VALUES...-20 TO -25.

* WINDS...10 TO 20 MPH.

* WINTER STORM WATCH

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH LATE FRIDAY NIGHT.

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* SNOW ACCUMULATION...4 TO 7 INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

MTZ036-151200-
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
POWDER RIVER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE
459 AM MST WED DEC 14 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST
  THROUGH FRIDAY NIGHT.

* SNOW ACCUMULATION...4 TO 7 INCHES OF SNOW POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
12 follow-up statements
018 
WWUS45 KBYZ 141643
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
943 AM MST WED DEC 14 2016

MTZ067-068-151645-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
943 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION AS WELL AS BLOWING AND 
  DRIFTING SNOW. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON.

* SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-151645-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
943 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY 
  MORNING.

* SNOW ACCUMULATION...8 TO 10 INCHES WITH AROUND A FOOT 
  POSSIBLE IN THE FOOTHILLS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-151645-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
943 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...6 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-151645-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
943 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION IMPACTING TRAVEL THROUGH 
  BURGESS JUNCTION ON HIGHWAY 14. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...12 TO 18 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-037-151645-
/O.EXT.KBYZ.WC.Y.0003.000000T0000Z-161214T1900Z/
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
CUSTER-FALLON-CARTER-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER...EKALAKA...ALZADA...HAMMOND...BELLTOWER
943 AM MST WED DEC 14 2016

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON MST TODAY...

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON MST TODAY. 

* WIND CHILL ADVISORY

* TIMING...THROUGH NOON TODAY.

* IMPACTS...BITTER COLD WIND CHILL TEMPERATURES MAY CAUSE 
  DANGEROUS CONDITIONS FOR THOSE EXPOSED TO THE ELEMENTS FOR 
  LONG DURATIONS.

* WIND CHILL VALUES...-20 TO -25.

* WINDS...10 TO 20 MPH.


* WINTER STORM WATCH

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH LATE FRIDAY NIGHT.

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* SNOW ACCUMULATION...4 TO 7 INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

MTZ036-151645-
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
POWDER RIVER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE
943 AM MST WED DEC 14 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH FRIDAY NIGHT.

* SNOW ACCUMULATION...4 TO 7 INCHES OF SNOW POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
767 
WWUS45 KBYZ 141856
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1156 AM MST WED DEC 14 2016

MTZ032-033-037-151900-
/O.CAN.KBYZ.WC.Y.0003.000000T0000Z-161214T1900Z/
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
CUSTER-FALLON-CARTER-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER...EKALAKA...ALZADA...HAMMOND...BELLTOWER
1156 AM MST WED DEC 14 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

...WIND CHILL ADVISORY IS CANCELLED...

WIND CHILLS HAVE WARMED ABOVE CRITERIA THEREFORE THE WIND CHILL
ADVISORY HAS BEEN CANCELLED.

* WINTER STORM WATCH

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH LATE FRIDAY NIGHT.

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* SNOW ACCUMULATION...4 TO 7 INCHES POSSIBLE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

MTZ067-068-151900-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
1156 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION AS WELL AS BLOWING AND 
  DRIFTING SNOW. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON.

* SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-151900-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
1156 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY 
  MORNING.

* SNOW ACCUMULATION...8 TO 10 INCHES WITH AROUND A FOOT 
  POSSIBLE IN THE FOOTHILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-151900-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
1156 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...6 TO 10 INCHES WITH LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-151900-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
1156 AM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION IMPACTING TRAVEL THROUGH 
  BURGESS JUNCTION ON HIGHWAY 14. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...12 TO 18 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-151900-
/O.CON.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
POWDER RIVER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE
1156 AM MST WED DEC 14 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH LATE FRIDAY NIGHT...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH FRIDAY NIGHT.

* SNOW ACCUMULATION...4 TO 7 INCHES OF SNOW POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
160 
WWUS45 KBYZ 142101
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
201 PM MST WED DEC 14 2016

MTZ036-037-152115-
/O.UPG.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
/O.EXB.KBYZ.WS.W.0009.161216T0600Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
201 PM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT FROM 11 PM THURSDAY TO 5 AM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 PM
THURSDAY TO 5 AM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN LATE THURSDAY NIGHT AND LAST
  THROUGH EARLY SATURDAY MORNING.

* SNOW ACCUMULATION...5 TO 7 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ067-068-152115-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
201 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION AS WELL AS BLOWING AND 
  DRIFTING SNOW. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON.

* SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-152115-
/O.CON.KBYZ.WS.W.0009.161215T0100Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
201 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON. HEAVIEST
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...10 TO 14 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-152115-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
201 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...8 TO 12 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-152115-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
201 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION IMPACTING TRAVEL THROUGH 
  BURGESS JUNCTION ON HIGHWAY 14. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...12 TO 18 INCHES.

* WINDS...WEST 30 TO 40 MPH. EXPECT WIDESPREAD BLOWING AND
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-152115-
/O.UPG.KBYZ.WS.A.0006.161216T0600Z-161217T1200Z/
/O.NEW.KBYZ.WW.Y.0022.161216T0600Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
201 PM MST WED DEC 14 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THURSDAY TO 5 AM
MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 PM
THURSDAY TO 5 AM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.


* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS.

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST
  THROUGH EARLY SATURDAY MORNING.

* SNOW ACCUMULATION...4 TO 6 INCHES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
739 
WWUS45 KBYZ 150353
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
853 PM MST WED DEC 14 2016

MTZ067-068-160400-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
853 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION AS WELL AS BLOWING AND 
  DRIFTING SNOW. 

* TIMING...SNOWFALL WILL BEGIN THIS EVENING WITH OFF AND ON 
  PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON.

* SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 30 TO 45 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

* WEEKEND CONCERNS...EVEN MORE WIND IS EXPECTED SATURDAY NIGHT AND
  SUNDAY WITH SUBSTANTIAL BLOWING AND DRIFTING POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-160400-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
853 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN TONIGHT WITH OFF AND ON PERIODS OF
  HEAVY SNOWFALL THROUGH FRIDAY AFTERNOON. HEAVIEST SNOWFALL IS
  EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...10 TO 14 INCHES.

* WEEKEND CONCERNS...EVEN MORE WIND IS EXPECTED SATURDAY NIGHT AND
  SUNDAY WITH SUBSTANTIAL BLOWING AND DRIFTING POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-160400-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
853 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...SNOWFALL WILL BEGIN TONIGHT WITH OFF AND ON PERIODS OF
  HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST SNOWFALL IS
  EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...8 TO 12 INCHES.

* WEEKEND CONCERNS...EVEN MORE WIND IS EXPECTED SATURDAY NIGHT AND
  SUNDAY WITH SUBSTANTIAL BLOWING AND DRIFTING POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-160400-
/O.CON.KBYZ.WS.W.0009.161215T0600Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
853 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS. 
  SIGNIFICANT SNOWFALL ACCUMULATION IMPACTING TRAVEL THROUGH 
  BURGESS JUNCTION ON HIGHWAY 14. 

* TIMING...SNOWFALL WILL BEGIN LATE THIS EVENING WITH OFF AND 
  ON PERIODS OF HEAVY SNOWFALL THROUGH FRIDAY NIGHT. HEAVIEST 
  SNOWFALL IS EXPECTED LATE THURSDAY NIGHT THROUGH FRIDAY.

* SNOW ACCUMULATION...12 TO 18 INCHES.

* WINDS...WEST 30 TO 40 MPH. EXPECT WIDESPREAD BLOWING AND 
  DRIFTING SNOW.

* WEEKEND CONCERNS...EVEN MORE WIND IS EXPECTED SATURDAY NIGHT AND
  SUNDAY WITH SUBSTANTIAL BLOWING AND DRIFTING POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-160400-
/O.CON.KBYZ.WS.W.0009.161216T0600Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
853 PM MST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THURSDAY TO
5 AM MST SATURDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND
  LAST THROUGH EARLY SATURDAY MORNING.

* SNOW ACCUMULATION...5 TO 7 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-160400-
/O.CON.KBYZ.WW.Y.0022.161216T0600Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
853 PM MST WED DEC 14 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THURSDAY
TO 5 AM MST SATURDAY...

* IMPACTS...PERIODS OF HEAVY SNOWFALL WILL CAUSE REDUCED 
  VISIBILITY. SNOW WILL SIGNIFICANTLY ACCUMULATE ON AREA 
  ROADWAYS CAUSING HAZARDOUS TRAVEL CONDITIONS. 

* TIMING...HEAVY SNOWFALL WILL BEGIN THURSDAY NIGHT AND LAST 
  THROUGH EARLY SATURDAY MORNING.

* SNOW ACCUMULATION...4 TO 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
877 
WWUS45 KBYZ 151123
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
423 AM MST THU DEC 15 2016

MTZ067-068-161130-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
423 AM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO HEAVY
  SNOWFALL AND BLOWING AND DRIFTING SNOW. AVALANCHE DANGER MAY
  INCREASE.

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY
  AFTERNOON.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-161130-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
423 AM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS ON FRIDAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY AFTERNOON.
  HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH FRIDAY.

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE SATURDAY AND
  SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND DRIFTING
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-161130-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
423 AM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS ON FRIDAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY EVENING.
  HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH FRIDAY.

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE SATURDAY NIGHT AND
  SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND DRIFTING
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-161130-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
423 AM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO HEAVY
  SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES TRAVEL ON
  HIGHWAY 14 THROUGH BURGESS JUNCTION.

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY
  NIGHT. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH
  FRIDAY.

* TOTAL SNOW ACCUMULATION...10 TO 18 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND DRIFTING
  SNOW ON EXPOSED WESTERLY SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-161130-
/O.CON.KBYZ.WS.W.0009.161216T0600Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
423 AM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM MST SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS ON FRIDAY.

* TIMING...SOME LIGHT SNOW IS EXPECTED TODAY INTO THIS EVENING.
  HEAVIER SNOWFALL WILL BEGIN LATE TONIGHT AND LAST THROUGH
  FRIDAY EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-161130-
/O.CON.KBYZ.WW.Y.0022.161216T0600Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
423 AM MST THU DEC 15 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 5 AM MST SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS ON FRIDAY.

* TIMING...SOME LIGHT SNOW IS EXPECTED TODAY INTO THIS EVENING.
  HEAVIER SNOW WILL BEGIN LATE TONIGHT AND LAST THROUGH FRIDAY
  EVENING.

* SNOW ACCUMULATION...4 TO 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
794 
WWUS45 KBYZ 152149
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
249 PM MST THU DEC 15 2016

MTZ067-068-162200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
249 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. AVALANCHE DANGER 
  MAY INCREASE. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY 
  AFTERNOON.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-162200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
249 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY
  AFTERNOON. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT 
  THROUGH FRIDAY.

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -30 ON
  FRIDAY.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE SATURDAY AND 
  SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-162200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
249 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY 
  EVENING. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH 
  FRIDAY. 

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -30
  F ON FRIDAY.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE SATURDAY NIGHT 
  AND SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-162200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
249 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES 
  TRAVEL ON HIGHWAY 14 THROUGH BURGESS JUNCTION. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY 
  NIGHT. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH 
  FRIDAY.

* TOTAL SNOW ACCUMULATION...10 TO 18 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND 
  DRIFTING SNOW ON EXPOSED WESTERLY SLOPES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-162200-
/O.CON.KBYZ.WS.W.0009.161216T0600Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
249 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM MST SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...SOME LIGHT SNOW IS EXPECTED TODAY INTO THIS EVENING. 
  HEAVIER SNOWFALL WILL BEGIN LATE TONIGHT AND LAST THROUGH 
  FRIDAY EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -30
  F ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-162200-
/O.CON.KBYZ.WW.Y.0022.161216T0600Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
249 PM MST THU DEC 15 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 5 AM MST SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...SOME LIGHT SNOW IS EXPECTED TODAY INTO THIS EVENING. 
  HEAVIER SNOW WILL BEGIN LATE TONIGHT AND LAST THROUGH FRIDAY 
  EVENING.

* SNOW ACCUMULATION...4 TO 6 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -30
  F DURING THE DAY ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
352 
WWUS45 KBYZ 160337
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
837 PM MST THU DEC 15 2016

MTZ067-068-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
837 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO HEAVY
  SNOWFALL AND BLOWING AND DRIFTING SNOW...AS WELL AS HIGH
  AVALANCHE DANGER.

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY 
  AFTERNOON.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ028-034-039>042-056-063>066-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
837 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY 
  AFTERNOON. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT 
  THROUGH FRIDAY.

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES. LOCALLY HIGHER AMOUNTS
  POSSIBLE.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -30 ON FRIDAY. 

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE SATURDAY AND 
  SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-170345-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
837 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH FRIDAY 
  EVENING. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH 
  FRIDAY.

* TOTAL SNOW ACCUMULATION...8 TO 14 INCHES. LOCALLY HIGHER AMOUNTS
  POSSIBLE.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -30 F ON FRIDAY. 

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE SATURDAY NIGHT 
  AND SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.  THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-170345-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
837 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST
FRIDAY...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES 
  TRAVEL ON HIGHWAY 14 THROUGH BURGESS JUNCTION. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH FRIDAY 
  NIGHT. HEAVIEST SNOWFALL IS EXPECTED LATE TONIGHT THROUGH 
  FRIDAY.

* TOTAL SNOW ACCUMULATION...10 TO 18 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND 
  DRIFTING SNOW ON EXPOSED WESTERLY SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-170345-
/O.CON.KBYZ.WS.W.0009.161216T0600Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
837 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...SOME LIGHT SNOW IS EXPECTED THROUGH THIS EVENING.
  HEAVIER SNOWFALL WILL BEGIN LATE TONIGHT AND LAST THROUGH FRIDAY
  EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -30 F ON FRIDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ032-033-170345-
/O.CON.KBYZ.WW.Y.0022.161216T0600Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
837 PM MST THU DEC 15 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...SOME LIGHT SNOW IS EXPECTED THROUGH THIS EVENING.
  HEAVIER SNOW WILL BEGIN LATE TONIGHT AND LAST THROUGH FRIDAY
  EVENING.

* SNOW ACCUMULATION...4 TO 6 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -30 F DURING THE DAY ON FRIDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
056 
WWUS45 KBYZ 161101
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
401 AM MST FRI DEC 16 2016

MTZ067-068-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
401 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW...AS WELL AS HIGH 
  AVALANCHE DANGER. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS
  AFTERNOON.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES.


&&

$$

MTZ028-034-039>042-056-063>066-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
401 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS.

* TIMING...PERIODS OF SNOW WILL CONTINUE TODAY. HEAVIEST SNOWFALL
  IS EXPECTED THIS MORNING THROUGH EARLY AFTERNOON. SNOW WILL
  DECREASE THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATION...MANY AREAS WILL RECEIVE ANOTHER 3
  TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL STORM
  ACCUMULATIONS MAY REACH FROM ONE TO NEAR TWO FEET AT SOME
  LOCATIONS FROM BIG TIMBER TO AROUND BILLINGS. 

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  - 30 ON FRIDAY.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE SATURDAY INTO
  SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND DRIFTING
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SIGNIFICANT AMOUNT OF SNOW IS OCCURRING. THE THREAT OF
DANGEROUS WIND CHILLS WILL INCREASE LATER TODAY AS WELL. TRAVEL 
WILL BE VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
401 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS TODAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE TODAY BEFORE DECREASING
  THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATION...MANY AREAS WILL RECEIVE ANOTHER 3
  TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL STORM
  ACCUMULATIONS MAY REACH FROM ONE TO NEAR TWO FEET AT SOME
  LOCATIONS FROM BIG TIMBER TO AROUND BILLINGS. 

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -
  30 F LATE TODAY.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE SATURDAY NIGHT 
  AND SUNDAY...POTENTIALLY CAUSING SUBSTANTIAL BLOWING AND 
  DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SIGNIFICANT AMOUNT OF SNOW IS OCCURRING. THE THREAT OF
DANGEROUS WIND CHILLS WILL INCREASE TODAY AS WELL. TRAVEL WILL BE
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
401 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES 
  TRAVEL ON HIGHWAY 14 THROUGH BURGESS JUNCTION. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS
  EVENING. SNOW WILL DECREASE AFTER MIDNIGHT. 

* TOTAL SNOW ACCUMULATION...10 TO 15 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND 
  DRIFTING SNOW ON EXPOSED WESTERLY SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-171115-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
401 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS.

* TIMING...SNOW WILL INCREASE AND BECOME MODERATE TO HEAVY AT
  TIMES TODAY. SNOW IS EXPECTED TO DECREASE LATE THIS EVENING. 

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -
  30 F.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. DANGEROUS WIND CHILLS ARE ALSO LIKELY. 
THIS WILL MAKE TRAVEL AND OUTDOOR ACTIVITY HAZARDOUS.

&&

$$

MTZ032-033-171115-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
401 AM MST FRI DEC 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS ON FRIDAY. 

* TIMING...SNOW WILL CONTINUE TODAY BEFORE DECREASING THIS
  EVENING. 

* SNOW ACCUMULATION...3 TO 6 INCHES. LOCALLY HIGHER AMOUNTS
  POSSIBLE. 

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -
  30 F TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATING SNOW WITH POOR TRAVEL CONDITIONS AND DANGEROUS WIND
CHILLS IS EXPECTED. TRAVEL AND OUTDOOR ACTIVITY SHOULD BE
CURTAILED IF POSSIBLE. 

&&

$$

HTTP://WEATHER.GOV/BILLINGS
926 
WWUS45 KBYZ 161658
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
958 AM MST FRI DEC 16 2016

MTZ067-068-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
958 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW...AS WELL AS HIGH 
  AVALANCHE DANGER. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS 
  AFTERNOON.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES.

&&

$$

MTZ028-034-039>042-056-063>066-170000-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0000Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-EASTERN CARBON-
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-JUDITH GAP-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
BRIDGER...JOLIET...FROMBERG...BELFRY...WARREN...CLYDE PARK...
WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...RED LODGE...
ROBERTS...ROSCOE...JUDITH GAP...EMIGRANT...LIVINGSTON...
SPRINGDALE...FISHTAIL...MCLEOD...NYE
958 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS. 

* TIMING...PERIODS OF SNOW WILL CONTINUE TODAY. HEAVIEST SNOWFALL
  IS EXPECTED THROUGH EARLY AFTERNOON. SNOW WILL DECREASE THIS
  EVENING.

* ADDITIONAL SNOW ACCUMULATION...MANY AREAS WILL RECEIVE ANOTHER
  2 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL 
  STORM ACCUMULATIONS MAY REACH FROM ONE TO NEAR TWO FEET AT 
  SOME LOCATIONS FROM BIG TIMBER TO AROUND BILLINGS.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND
  -40 DEGREES ON FRIDAY.

* WEEKEND CONCERNS...WEST WINDS GUSTING 40 TO 60 MPH WILL DEVELOP
  LATE IN THE DAY SATURDAY AND PERSIST THROUGH SUNDAY. THIS WILL
  LIKELY RESULT IN BLIZZARD CONDITIONS IN SOME AREAS ALONG WITH
  SIGNIFICANT BLOWING AND DRIFTING SNOW ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SIGNIFICANT AMOUNT OF SNOW IS OCCURRING. THE THREAT OF
DANGEROUS WIND CHILLS WILL INCREASE LATER TODAY AS WELL. TRAVEL
WILL BE VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ029>031-035-038-057-058-WYZ099-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-YELLOWSTONE-
SOUTHERN BIG HORN-NORTHERN BIG HORN-SOUTHERN ROSEBUD-
SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...COLSTRIP...FORSYTH...INGOMAR...ANGELA...
BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...CUSTER...
BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...HARDIN...
CROW AGENCY...BUSBY...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...
DAYTON...RANCHESTER...BIG HORN...STORY...CLEARMONT
958 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS TODAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE TODAY BEFORE 
  DECREASING THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATION...MANY AREAS WILL RECEIVE ANOTHER 2
  TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL STORM
  ACCUMULATIONS OF 8 TO 16 INCHES

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -40
  DEGREES LATE TODAY.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE IN THE DAY
  SATURDAY INTO SUNDAY...CAUSING SUBSTANTIAL BLOWING AND DRIFTING
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SIGNIFICANT AMOUNT OF SNOW IS OCCURRING. THE THREAT OF
DANGEROUS WIND CHILLS WILL INCREASE TODAY AS WELL. TRAVEL WILL BE
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
958 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES 
  TRAVEL ON HIGHWAY 14 THROUGH BURGESS JUNCTION. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS 
  EVENING. SNOW WILL DECREASE AFTER MIDNIGHT.

* TOTAL SNOW ACCUMULATION...10 TO 15 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND 
  DRIFTING SNOW ON EXPOSED WESTERLY SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-171200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
958 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS. 

* TIMING...SNOW WILL INCREASE AND BECOME MODERATE TO HEAVY AT 
  TIMES TODAY. SNOW IS EXPECTED TO DECREASE LATE THIS EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -30
  DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. DANGEROUS WIND CHILLS ARE ALSO LIKELY.
THIS WILL MAKE TRAVEL AND OUTDOOR ACTIVITY HAZARDOUS.

&&

$$

MTZ032-033-171200-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
958 AM MST FRI DEC 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS.

* TIMING...SNOW WILL CONTINUE TODAY BEFORE DECREASING THIS 
  EVENING.

* TOTAL SNOW ACCUMULATION...3 TO 6 INCHES. LOCALLY HIGHER AMOUNTS
  POSSIBLE.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND
  -30 DEGREES TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATING SNOW WITH POOR TRAVEL CONDITIONS AND DANGEROUS WIND
CHILLS IS EXPECTED. TRAVEL AND OUTDOOR ACTIVITY SHOULD BE
CURTAILED IF POSSIBLE.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
961 
WWUS45 KBYZ 162159
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
259 PM MST FRI DEC 16 2016

MTZ028-034-040>042-063>066-172200-
/O.NEW.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
/O.NEW.KBYZ.BZ.A.0001.161218T0100Z-161219T1900Z/
/O.EXT.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
CLYDE PARK...WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...
JUDITH GAP...EMIGRANT...LIVINGSTON...SPRINGDALE...FISHTAIL...
MCLEOD...NYE
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 11 PM THIS EVENING TO NOON
MST SATURDAY...
...BLIZZARD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY
MORNING...

THE WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW IS NOW
IN EFFECT UNTIL 11 PM MST THIS EVENING. THE NATIONAL WEATHER
SERVICE IN BILLINGS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO NOON MST SATURDAY. A BLIZZARD
WATCH HAS ALSO BEEN ISSUED. THIS BLIZZARD WATCH IS IN EFFECT FROM
SATURDAY EVENING THROUGH MONDAY MORNING. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED 
  BLOWING SNOW AND BITTER WIND CHILLS. 

* TIMING...PERIODS OF SNOW WILL CONTINUE INTO THIS EVENING.
  DANGEROUS WIND CHILLS OVERNIGHT.
 
* ADDITIONAL SNOW ACCUMULATION...ONE TO TWO INCHES OF ADDITIONAL
  SNOW ACCUMULATION...HEAVIEST ALONG AND SOUTH OF I-90.

* WIND CHILL WARNING....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -50
  DEGREES OVERNIGHT TONIGHT INTO SATURDAY MORNING.

* BLIZZARD WATCH...WEST WINDS GUSTING 40 TO 60 MPH WILL DEVELOP
  LATE IN THE DAY SATURDAY AND PERSIST THROUGH SUNDAY NIGHT. THESE
  STRONG WINDS COMBINED WITH 1 TO 2 FEET OF FRESH SNOW WILL LIKELY
  RESULT IN BLIZZARD CONDITIONS. SEVERE TRAVEL IMPACTS ARE
  POSSIBLE SATURDAY NIGHT INTO MONDAY MORNING...INCLUDING ALONG A
  LARGE PORTION OF I-90 FROM COLUMBUS TO THE WEST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$

MTZ039-056-171900-
/O.NEW.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
/O.EXT.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
EASTERN CARBON-RED LODGE FOOTHILLS-
INCLUDING THE LOCATIONS OF...BRIDGER...JOLIET...FROMBERG...
BELFRY...WARREN...RED LODGE...ROBERTS...ROSCOE
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 11 PM THIS EVENING TO NOON
MST SATURDAY...

THE WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW IS NOW
IN EFFECT UNTIL 11 PM MST THIS EVENING. THE NATIONAL WEATHER
SERVICE IN BILLINGS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO NOON MST SATURDAY.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY 
  ACCUMULATING SNOWFALL AND REDUCED VISIBILITY. EXPECT 
  LOCALIZED BLOWING SNOW AND BITTER WIND CHILLS.

* TIMING...PERIODS OF SNOW WILL CONTINUE INTO THIS EVENING.
  DANGEROUS WIND CHILL VALUES OVERNIGHT. 

* ADDITIONAL SNOW ACCUMULATION...ONE TO TWO INCHES. 

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -50
  DEGREES TONIGHT INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ029-030-035-038-057-171900-
/O.NEW.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
MUSSELSHELL-TREASURE-YELLOWSTONE-SOUTHERN BIG HORN-
NORTHERN BIG HORN-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...
CUSTER...BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...
HARDIN...CROW AGENCY...BUSBY
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 11 PM THIS EVENING TO NOON
MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO NOON MST
SATURDAY. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS.

* TIMING...PERIODS OF SNOW WILL CONTINUE INTO THIS EVENING.
  DANGEROUS WIND CHILL VALUES OVERNIGHT.

* ADDITIONAL SNOW ACCUMULATION...ONE TO TWO INCHES. HEAVIEST ALONG
  AND SOUTH OF I-90.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -50
  DEGREES OVERNIGHT.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE LATE
  SUNDAY...CAUSING SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY
  MAKE TRAVEL DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED
  OVER AND POOR VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ067-068-170600-
/O.EXT.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

THE WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW IS NOW
IN EFFECT UNTIL 11 PM MST THIS EVENING.

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO HEAVY
  SNOWFALL AND BLOWING AND DRIFTING SNOW...AS WELL AS HIGH
  AVALANCHE DANGER.

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE INTO THIS
  EVENING...TAPERING OFF LATE.

* TOTAL SNOW ACCUMULATION...18 TO 24 INCHES.

* WINDS...WEST 25 TO 40 MPH ON EXPOSED SLOPES.

&&

$$

MTZ031-058-WYZ099-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHERN ROSEBUD-SOUTHERN ROSEBUD-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF...COLSTRIP...FORSYTH...INGOMAR...
ANGELA...LAME DEER...ASHLAND...BIRNEY...SHERIDAN...DAYTON...
RANCHESTER...BIG HORN...STORY...CLEARMONT
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO HEAVY ACCUMULATING
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW
  AND BITTER WIND CHILLS THROUGH LATE TONIGHT.

* TIMING...PERIODS OF SNOW WILL DECREASE THIS EVENING.

* ADDITIONAL SNOW ACCUMULATION...MANY AREAS WILL RECEIVE ANOTHER
  ONE TO TWO INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -40
  DEGREES THROUGH THIS EVENING.

* WEEKEND CONCERNS...WEST WINDS WILL INCREASE SUNDAY...CAUSING
  SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY MAKE TRAVEL
  DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED OVER AND
  POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SIGNIFICANT AMOUNT OF SNOW IS OCCURRING. THE THREAT OF DANGEROUS
WIND CHILLS WILL INCREASE TODAY AS WELL. TRAVEL WILL BE VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

WYZ098-170600-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHEAST BIGHORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* IMPACTS...DANGEROUS BACK COUNTRY TRAVEL CONDITIONS DUE TO 
  HEAVY SNOWFALL AND BLOWING AND DRIFTING SNOW. THIS INCLUDES 
  TRAVEL ON HIGHWAY 14 THROUGH BURGESS JUNCTION. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS 
  EVENING. SNOW WILL DECREASE AFTER MIDNIGHT.

* TOTAL SNOW ACCUMULATION...10 TO 15 INCHES.

* WINDS...WEST 20 TO 30 MPH. EXPECT AREAS OF BLOWING AND 
  DRIFTING SNOW ON EXPOSED WESTERLY SLOPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ036-037-171200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
259 PM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS. 

* TIMING...SNOW IS EXPECTED TO DECREASE LATE THIS EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -40 DEGREES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. DANGEROUS WIND CHILLS ARE ALSO LIKELY.
THIS WILL MAKE TRAVEL AND OUTDOOR ACTIVITY HAZARDOUS.

&&

$$

MTZ032-033-171200-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
259 PM MST FRI DEC 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS. 

* TIMING...SNOW WILL DECREASE THIS EVENING.

* TOTAL SNOW ACCUMULATION...3 TO 6 INCHES. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND -40
  DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATING SNOW WITH POOR TRAVEL CONDITIONS AND DANGEROUS WIND
CHILLS IS EXPECTED. TRAVEL AND OUTDOOR ACTIVITY SHOULD BE
CURTAILED IF POSSIBLE.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
175 
WWUS45 KBYZ 170333
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
833 PM MST FRI DEC 16 2016

MTZ028-034-040>042-063>066-180345-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
/O.CON.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
/O.CON.KBYZ.BZ.A.0001.161218T0100Z-161219T1900Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE... CLYDE
PARK...WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...
JUDITH GAP...EMIGRANT...LIVINGSTON...SPRINGDALE...FISHTAIL...
MCLEOD...NYE
833 PM MST FRI DEC 16 2016


...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...
...BLIZZARD WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY MORNING...

* WIND CHILL WARNING INFORMATION...EXPECT TEMPERATURES OF -15F TO
  -25F TONIGHT AND EARLY SATURDAY TO COMBINE WITH WINDS OF 10 TO
  15 MPH TO GENERATE WIND CHILLS OF 30 TO 50 BELOW ZERO.

* WIND CHILL IMPACTS...ANYONE OUTSIDE TONIGHT OR EARLY SATURDAY
  AND INADEQUATELY PREPARED COULD SEE EXPOSED FLESH FREEZE IN 10
  MINUTES. 

* BLIZZARD WATCH INFORMATION...WEST WINDS GUSTING 40 TO 60 MPH
  WILL DEVELOP LATE IN THE DAY SATURDAY AND PERSIST THROUGH SUNDAY
  NIGHT. THESE STRONG WINDS COMBINED WITH 1 TO 2 FEET OF FRESH
  SNOW WILL LIKELY RESULT IN BLIZZARD CONDITIONS. 

* SEVERE TRAVEL IMPACTS ARE POSSIBLE SATURDAY NIGHT INTO MONDAY
  MORNING...INCLUDING ALONG A LARGE PORTION OF I-90 FROM COLUMBUS
  TO THE WEST. THIS CAN INCLUDE SEVERE DRIFTING AND ZERO VISIBILITY.


&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$

MTZ039-056-171900-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
/O.CON.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
EASTERN CARBON-RED LODGE FOOTHILLS-
INCLUDING THE LOCATIONS OF...BRIDGER...JOLIET...FROMBERG...
BELFRY...WARREN...RED LODGE...ROBERTS...ROSCOE
833 PM MST FRI DEC 16 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE
  EXPOSED FLESH FREEZE IN 10 MINUTES.

* TIMING...TONIGHT THROUGH SATURDAY MORNING.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH BELOW ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -50
  DEGREES TONIGHT INTO SATURDAY MORNING.

* BLOWING SNOW CONCERNS...WEST WINDS WILL INCREASE SUNDAY...
  CAUSING SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY MAKE
  TRAVEL DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED OVER
  AND POOR VISIBILITY.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ029-030-035-038-057-171900-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
/O.CON.KBYZ.WC.W.0001.161217T0600Z-161217T1900Z/
MUSSELSHELL-TREASURE-YELLOWSTONE-SOUTHERN BIG HORN-
NORTHERN BIG HORN-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...
CUSTER...BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...
HARDIN...CROW AGENCY...BUSBY
833 PM MST FRI DEC 16 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE
  EXPOSED FLESH FREEZE IN 10 MINUTES.

* TIMING...TONIGHT THROUGH SATURDAY MORNING.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH WELL BELOW ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -50
  DEGREES TONIGHT INTO SATURDAY MORNING.

* BLOWING SNOW CONCERNS...WEST WINDS WILL INCREASE SUNDAY...
  CAUSING SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY MAKE
  TRAVEL DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED OVER
  AND POOR VISIBILITY.

&&



PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ031-058-067-068-WYZ098-099-170445-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-161217T0600Z/
NORTHERN ROSEBUD-SOUTHERN ROSEBUD-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
833 PM MST FRI DEC 16 2016

...WINTER STORM WARNING IS CANCELLED...

HEAVY SNOW HAS ENDED ACROSS THE REGION. WINDS WILL INCREASE
SATURDAY NIGHT AND SUNDAY SO BACK COUNTRY TRAVELERS SHOULD BE
PREPARED FOR BLOWING AND DRIFTING SNOW. 

$$

MTZ036-037-171200-
/O.CON.KBYZ.WS.W.0009.000000T0000Z-161217T1200Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
833 PM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS. 

* TIMING...SNOW IS EXPECTED TO DECREASE LATE THIS EVENING.

* TOTAL SNOW ACCUMULATION...5 TO 8 INCHES.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  - 40 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS A SIGNIFICANT AMOUNT OF SNOW IS
EXPECTED OR OCCURRING. DANGEROUS WIND CHILLS ARE ALSO LIKELY.
THIS WILL MAKE TRAVEL AND OUTDOOR ACTIVITY HAZARDOUS.

&&

$$

MTZ032-033-171200-
/O.CON.KBYZ.WW.Y.0022.000000T0000Z-161217T1200Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
833 PM MST FRI DEC 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...

* IMPACTS...DIFFICULT TRAVEL CONDITIONS DUE TO ACCUMULATING 
  SNOWFALL AND REDUCED VISIBILITY. EXPECT LOCALIZED BLOWING SNOW 
  AND BITTER WIND CHILLS. 

* TIMING...SNOW WILL DECREASE LATE THIS EVENING.

* TOTAL SNOW ACCUMULATION...3 TO 6 INCHES. LOCALLY HIGHER 
  AMOUNTS POSSIBLE.

* WIND CHILLS....WINDS 10 TO 20 MPH COMBINED WITH NEAR ZERO 
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -20 AND 
  -40 DEGREES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACCUMULATING SNOW WITH POOR TRAVEL CONDITIONS AND DANGEROUS WIND
CHILLS IS EXPECTED. TRAVEL AND OUTDOOR ACTIVITY SHOULD BE
CURTAILED IF POSSIBLE.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
990 
WWUS45 KBYZ 171059
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
359 AM MST SAT DEC 17 2016

MTZ036-037-171900-
/O.CAN.KBYZ.WS.W.0009.000000T0000Z-161217T1200Z/
/O.EXA.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
POWDER RIVER-CARTER-
INCLUDING THE LOCATIONS OF...BROADUS...BIDDLE...POWDERVILLE...
SONNETTE...EKALAKA...ALZADA...HAMMOND...BELLTOWER
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST TODAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. 

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE 
  EXPOSED FLESH FREEZE IN 10 MINUTES.

* TIMING...COLDEST WIND CHILLS ARE EXPECTED THROUGH LATE MORNING. 

* WIND CHILLS....WINDS 10 TO 15 MPH WILL CAUSE WIND CHILLS TO
  RANGE BETWEEN -35 AND -45 DEGREES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ032-033-171900-
/O.CAN.KBYZ.WW.Y.0022.000000T0000Z-161217T1200Z/
/O.EXA.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
CUSTER-FALLON-
INCLUDING THE LOCATIONS OF...MILES CITY...ISMAY...VOLBORG...
BAKER...PLEVNA...WEBSTER
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. 

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE 
  EXPOSED FLESH FREEZE IN 10 MINUTES.

* TIMING...COLDEST WIND CHILLS WILL OCCUR THROUGH LATE MORNING
  TODAY.

* WIND CHILLS....WINDS 10 TO 15 MPH WILL CAUSE WIND CHILLS TO
  RANGE BETWEEN -35 AND -45 DEGREES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ031-058-171900-
/O.EXA.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
NORTHERN ROSEBUD-SOUTHERN ROSEBUD-
INCLUDING THE LOCATIONS OF...COLSTRIP...FORSYTH...INGOMAR...
ANGELA...LAME DEER...ASHLAND...BIRNEY
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST TODAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. 

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE 
  EXPOSED FLESH FREEZE IN 10 MINUTES. 

* TIMING...THE COLDEST WIND CHILLS WILL OCCUR THROUGH LATE THIS
  MORNING.

* WIND CHILLS....WINDS 10 TO 15 MPH TO RANGE BETWEEN -30 AND -45
  DEGREES THIS MORNING. 

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ028-034-040>042-063>066-181100-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
/O.CON.KBYZ.BZ.A.0001.161218T0100Z-161219T1900Z/
SOUTHERN WHEATLAND-NORTHERN STILLWATER-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...HARLOWTON...TWODOT...SHAWMUT...
COLUMBUS...ABSAROKEE...PARK CITY...REED POINT...RAPELJE...
CLYDE PARK...WILSALL...BIG TIMBER...MELVILLE...RYEGATE...LAVINA...
JUDITH GAP...EMIGRANT...LIVINGSTON...SPRINGDALE...FISHTAIL...
MCLEOD...NYE
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...

* WIND CHILL IMPACTS...ANYONE OUTSIDE THIS MORNING AND
  INADEQUATELY PREPARED COULD SEE EXPOSED FLESH FREEZE IN 10
  MINUTES.

* BLIZZARD WATCH INFORMATION...WEST WINDS GUSTING 40 TO 60 MPH
  WILL DEVELOP LATE TODAY AND PERSIST THROUGH AT LEAST MONDAY
  MORNING. THESE HIGH WINDS COMBINED WITH 1 TO 2 FEET OF FRESH
  SNOW WILL LIKELY RESULT IN BLIZZARD CONDITIONS.

* SEVERE TRAVEL IMPACTS ARE POSSIBLE SATURDAY NIGHT INTO MONDAY
  MORNING...INCLUDING ALONG A LARGE PORTION OF I-90 FROM COLUMBUS
  TO THE WEST. THIS CAN INCLUDE SEVERE DRIFTING AND ZERO
  VISIBILITY WITH POSSIBLE ROAD CLOSURES.  

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. 

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS OR IMPOSSIBLE.

&&

$$

MTZ039-056-171900-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
EASTERN CARBON-RED LODGE FOOTHILLS-
INCLUDING THE LOCATIONS OF...BRIDGER...JOLIET...FROMBERG...
BELFRY...WARREN...RED LODGE...ROBERTS...ROSCOE
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE 
  EXPOSED FLESH FREEZE IN 10 MINUTES. 

* TIMING...COLDEST WIND CHILLS WILL OCCUR THROUGH THIS MORNING.

* WIND CHILLS....WINDS 10 TO 15 MPH COMBINED WITH BELOW ZERO
  TEMPERATURES WILL CAUSE WIND CHILLS TO RANGE BETWEEN -30 AND -45
  DEGREES TONIGHT INTO SATURDAY MORNING.

* BLOWING SNOW CONCERNS...WEST WINDS WILL INCREASE SUNDAY... 
  CAUSING SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY MAKE 
  TRAVEL DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED 
  OVER AND POOR VISIBILITY.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MTZ029-030-035-038-057-171900-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-161217T1900Z/
MUSSELSHELL-TREASURE-YELLOWSTONE-SOUTHERN BIG HORN-
NORTHERN BIG HORN-
INCLUDING THE LOCATIONS OF...ROUNDUP...MELSTONE...MUSSELSHELL...
HYSHAM...BIGHORN...BILLINGS...LAUREL...HUNTLEY...POMPEYS PILLAR...
CUSTER...BROADVIEW...LODGE GRASS...PRYOR...WYOLA...FORT SMITH...
HARDIN...CROW AGENCY...BUSBY
359 AM MST SAT DEC 17 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

* IMPACTS...ANYONE OUTSIDE AND INADEQUATELY PREPARED COULD SEE 
  EXPOSED FLESH FREEZE IN 10 MINUTES. 

* TIMING...COLDEST WIND CHILLS WILL OCCUR THROUGH THIS MORNING. 

* WIND CHILLS....WINDS 10 TO 15 MPH WILL CAUSE WIND CHILLS TO
  RANGE BETWEEN -30 AND -45 DEGREES THIS MORNING.

* BLOWING SNOW CONCERNS...WEST WINDS WILL INCREASE SUNDAY... 
  CAUSING SUBSTANTIAL BLOWING AND DRIFTING SNOW. THIS MAY MAKE 
  TRAVEL DIFFICULT TO IMPOSSIBLE AT TIMES WITH ROADS DRIFTED 
  OVER AND POOR VISIBILITY.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING IS ISSUED WHEN WINDS WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 40 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY...
MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

HTTP://WEATHER.GOV/BILLINGS

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this winter storm warning went out at Dec 14, 3:58 AM MST, 1 hour 1 minute earlier.

Area forecast discussion, Dec 14, 3:58 AM MST, 1 hour 1 minute before
Area Forecast Discussion
National Weather Service Billings MT
358 AM MST Wed Dec 14 2016

.SHORT TERM...valid for Tdy and Thu...

Major snowstorm still on track to impact the forecast area
beginning late this evening and continuing into Friday evening.
Then beginning Saturday night into Monday, very windy conditions
resulting in significant blowing and drifting snow.

Satellite is currently showing a plume of Pacific moisture moving
across the Pacific northwest eastward into the northern Rockies.
There still remains a weak band of light snow or flurries across
southern Yellowstone County into Big Horn county but this has been
rapidly decreasing the past couple hours and should be finished by
daybreak. Otherwise, expect a partly to mostly sunny day for most
areas with increasing clouds over the Beartooth/Absaroka mountains
and far western areas.

A warm front will begin to move north this evening across the
Beartooth/Absaroka mountains, foothills and adjacent plains. At
the same time, several upper level waves will move across the area
late tonight through the day Friday. Time heights and soundings
show a very deep layer of moisture and strong lift during this
period especially Thursday into Friday. The dendritic zone is
quite deep as well after midnight tonight through the day
Thursday. Models are in fairly good agreement with qpf amounts
through the period as well and this combined with snow ratios 15:1
to 20:1 results in some hefty snow accumulations across the
central and western areas and mountains. Snow accumulations for
the mountains look to be in the 16-24" range with 8-12" common
across most of the lower elevations. Forecaster confidence is
increasing with this storm, and as a result, I upgraded the winter
storm watches to warnings for most areas. The exception is out
east, Custer, Fallon, Powder River and Carter counties as the snow
will be later to start there and amounts are still uncertain. So I
left the winter storm watch in place there.

Temperatures today and Thursday are expected to be in the teens
with lower 20s possible along the foothills. Another and yet
stronger arctic surge arrives late Thursday night into the weekend
with lows Thursday night in the lower single digits for most
areas, and these lows will generally be the highs for Friday.
Hooley

.LONG TERM...valid for Fri...Sat...Sun...Mon...Tue...

Heads up: Local ground blizzard conditions possible in our west
by Sunday as klondike chinook develops.

Snow will continue Friday, with healthy snow ratios early becoming
lower over time as airmass turns colder and dendritic layer
vanishes. Latest models end the precipitation a bit quicker, by
evening in our west and overnight in our east, such that Saturday
looks like a completely dry day. Cold Canadian surface ridge will
settle over the area by early Saturday and will be interesting to
see how cold we will get. With some higher confidence of clearing,
have dropped forecast lows a bit more in our west, to -20F or
colder near Livingston and Harlowton. Figure on 10 to 20 below
elsewhere. Record lows are cold will be difficult to achieve on
the 17th, but the record of -22F at Livingston probably has the
best potential to be broken. Saturday will be dry and very cold
with highs staying below zero across our central and eastern
parts.

Impacts will shift gears to wind and blowing snow as klondike
chinook develops Saturday night and continues through the first
part of next week. We will have several inches of fresh powder on
the ground, so it won't take much wind at get blowing and drifting
going. We are expecting wind gusts to increase to 40+ mph with
greatest gusts likely felt at places like Big Timber and
Harlowton, i.e. more westerly favored locations. Depending on how
much snow falls we could see ground blizzard conditions on Sunday,
so travelers in our west on I-90 or Hwy 191 take note. Billings
itself will likely see a good amount of blowing and drifting as
well. Should also mention that we will see wind chills to 20 below
or colder as the chinook begins and temps begin to slowly
moderate. Max temps on Sunday should eventually climb into the
teens to near 20F.

Potential for strong winds will continue Monday and Tuesday as
strong downslope gradients persist, with a flattening of the
gradient over time expected to shift the highest winds to the gap
areas. Temps will climb to the 20s Monday then 30s Tuesday. Would
expect the blowing and drifting snow to become less of an impact
over time as temperatures moderate and we eventually see some
melting.

Pacific trof of some sort will bring a chance of snow showers by
next Tuesday/Wednesday, along with a decrease in wind, though
models are very different in details by the middle of next week.

Your climate tidbit of the day: High temps at Billings will
easily stay below freezing through Sunday. This will give us 14
consecutive days with highs less than 32F, the longest stretch we
have seen (for any time of year) since 1992.

JKL

&&

.AVIATION...

Area of light snow and flurries with local MVFR from near KBIL to
KSHR will diminish by 12z. VFR will prevail through the day. Snow
will spread into the area from the southwest tonight, affecting
KLVM-KBIL-KSHR with deteriorating flight conditions to MVFR-IFR.
Mountains will become obscured in snow tonight. JKL

&&

.PRELIMINARY POINT TEMP/POPS...

    Tdy Thu     Fri     Sat     Sun     Mon     Tue
-------------------------------------------------------
BIL 017 010/019 003/004 917/902 905/017 011/024 018/034
    0/B 76/S    88/S    40/I    01/Q    10/N    11/N
LVM 022 015/022 004/006 920/003 001/017 013/024 017/032
    2/S 87/S    96/S    30/U    11/Q    11/N    12/J
HDN 016 003/018 004/007 920/905 914/016 000/024 010/034
    0/U 66/S    88/S    51/I    00/B    10/U    11/B
MLS 013 901/018 001/005 919/906 913/016 007/025 013/034
    0/U 03/S    67/S    41/I    00/B    00/B    11/N
4BQ 015 000/019 006/008 917/906 914/016 005/024 012/033
    0/U 14/S    89/S    61/I    00/B    00/U    01/B
BHK 010 904/015 000/003 917/909 917/012 005/023 012/031
    0/U 04/S    67/S    51/I    00/B    00/B    01/B
SHR 018 007/025 007/007 917/903 914/016 001/025 012/035
    0/B 64/S    79/S    61/I    00/B    10/U    01/B

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...Winter Storm Warning in effect from 6 PM this evening to 5 PM
      MST Friday FOR ZONES 28-34-39>42-56-63>68.
     Winter Storm Warning in effect from 11 PM this evening to 11
      PM MST Friday FOR ZONES 29>31-35-38-57-58.
     Wind Chill Advisory in effect until 10 AM MST this morning
      FOR ZONES 32-33-37.
     Winter Storm Watch in effect from Thursday evening through
      late Friday night FOR ZONES 32-33-36-37.
WY...Winter Storm Warning in effect from 11 PM this evening to 11
      PM MST Friday FOR ZONES 98-99.

&&

weather.gov/billings
Hazardous weather outlook, Dec 13, 3:45 PM MST, 13 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
345 PM MST TUE DEC 13 2016

MTZ028>042-056>058-063>068-WYZ098-099-132345-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
345 PM MST TUE DEC 13 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

* POTENTIAL IMPACTS: SIGNIFICANT SNOWFALL AND BITTER COLD
  TEMPERATURES RESULTING IN HAZARDOUS TRAVEL CONDITIONS.

* SNOWFALL: SIGNIFICANT SNOWFALL EXPECTED ACROSS THE AREA
  WEDNESDAY NIGHT THROUGH SATURDAY MORNING.

* TEMPERATURES: BITTERLY COLD TEMPERATURES FRIDAY NIGHT AND
  SATURDAY NIGHT.

* WINDS: VERY WINDY CONDITIONS FROM BILLINGS WEST INCLUDING
  HARLOWTON, BIG TIMBER AND LIVINGSTON FROM SATURDAY NIGHT THROUGH
  MONDAY. BLOWING SNOW AND WHITEOUT CONDITIONS POSSIBLE.

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 2:01 PM MSTWinter Weather AdvisoryBYZCuster, Fallon62 hr

Nearby

Winter Storm Warnings in Montana, 2016Winter Storm Warnings in Wyoming, 2016Every winter storm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.