Alert archive / Montana / Wind Chill Warnings in 2021

Wind Chill Warning 1, NWS Billings, MT

February 10, 20216 counties in Montana

NWS Billings, MT issued this wind chill warning at Feb 10, 2021, 3:39 AM MST for 6 counties in Montana. It was in force for 4 days. 2 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
Feb 10, 2021, 3:39 AM MST (10:39 UTC)
Expired
Feb 14, 2021, 2:24 AM MST
In force
4 days
Issued by
NWS Billings, MT

Counties Carter County, MT, Custer County, MT, Fallon County, MT, Golden Valley County, MT, Rosebud County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 151 km from the middle of the area, began a volume at 10:44 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
Feb 11, 6:00 PM MSTSNOW 1.28 Nne Powderville, MT
Feb 12, 7:00 AM MSTSNOW 318 Nnw Ryegate, MT

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

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 10.7 hours before the alert went out and 225 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, Glasgow Intl Airport, MT at 00:00Z on 2021-02-10Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 00:00Z on 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 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
1181 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

063 
WWUS45 KBYZ 101039
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
339 AM MST Wed Feb 10 2021

MTZ063-111045-
/O.UPG.KBYZ.WC.Y.0001.000000T0000Z-210211T1800Z/
/O.NEW.KBYZ.WC.W.0001.210210T1039Z-210212T1800Z/
Judith Gap-
Including the locations of Judith Gap
339 AM MST Wed Feb 10 2021

...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 55 
  below zero.

* WHERE...Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow will continue to
  produce light accumulations at times through the week. Plan on
  winter driving conditions. The wind chill threat may extend into
  the weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ032-033-037-111045-
/O.EXT.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Custer-Fallon-Carter-
Including the locations of Miles City, Ismay, Volborg, Baker, 
Plevna, Webster, Ekalaka, Alzada, Hammond, and Belltower
339 AM MST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero at times.

* WHERE...Portions of Central, South Central and Southeast 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the 
  weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

MTZ029>031-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-228-235-WYZ199-111045-
/O.EXT.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Rosebud-Northern Stillwater-
Powder River-Northern Park-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-
Livingston Area-Beartooth Foothills-Southern Big Horn-
Southeastern Carbon-Northern Sweet Grass-Bighorn Canyon-
Northern Carbon-Melville Foothills-Northeastern Yellowstone-
Southern Wheatland-Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Colstrip, Forsyth, Ingomar, Angela, Columbus, 
Absarokee, Park City, Rapelje, Broadus, Biddle, Powderville, 
Sonnette, Clyde Park, Wilsall, Ryegate, Lavina, Red Lodge, 
Roberts, Roscoe, Hardin, Crow Agency, Busby, Lame Deer, Ashland, 
Birney, Emigrant, Livingston, Springdale, Fishtail, McLeod, Nye, 
Lodge Grass, Pryor, Wyola, Bridger, Belfry, Warren, Big Timber, 
Joliet, Fromberg, Melville, Pompeys Pillar, Custer, Harlowton, 
Twodot, Shawmut, Billings, Laurel, Huntley, Broadview, Sheridan, 
Dayton, Ranchester, and Big Horn
339 AM MST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero at times.

* WHERE...Portions of North Central Wyoming and South Central 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow will continue to 
  produce light accumulations at times through the week. Plan on 
  winter driving conditions. The wind chill threat may extend 
  into the weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
12 follow-up statements
769 
WWUS45 KBYZ 102101
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
201 PM MST Wed Feb 10 2021

MTZ228-112115-
/O.UPG.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
/O.EXA.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Southern Wheatland-
Including the locations of Harlowton, Twodot, and Shawmut
201 PM MST Wed Feb 10 2021

...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 50 
  below zero.

* WHERE...Southern Wheatland.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow will continue to
  produce light accumulations through the week. Plan on winter 
  driving conditions. The wind chill threat may extend into the 
  weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ063-112115-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Judith Gap-
Including the locations of Judith Gap
201 PM MST Wed Feb 10 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 50 
  below zero.

* WHERE...Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow will continue to
  produce light accumulations through the week. Plan on winter 
  driving conditions. The wind chill threat may extend into the 
  weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ032-033-037-112115-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Custer-Fallon-Carter-
Including the locations of Miles City, Ismay, Volborg, Baker, 
Plevna, Webster, Ekalaka, Alzada, Hammond, and Belltower
201 PM MST Wed Feb 10 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below
  zero.

* WHERE...Portions of Central, South Central and Southeast 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the
  weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

MTZ029>031-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-112115-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Rosebud-Northern Stillwater-
Powder River-Northern Park-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-
Livingston Area-Beartooth Foothills-Southern Big Horn-
Southeastern Carbon-Northern Sweet Grass-Bighorn Canyon-
Northern Carbon-Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Colstrip, Forsyth, Ingomar, Angela, Columbus, 
Absarokee, Park City, Rapelje, Broadus, Biddle, Powderville, 
Sonnette, Clyde Park, Wilsall, Ryegate, Lavina, Red Lodge, 
Roberts, Roscoe, Hardin, Crow Agency, Busby, Lame Deer, Ashland, 
Birney, Emigrant, Livingston, Springdale, Fishtail, McLeod, Nye, 
Lodge Grass, Pryor, Wyola, Bridger, Belfry, Warren, Big Timber, 
Joliet, Fromberg, Melville, Pompeys Pillar, Custer, Billings, 
Laurel, Huntley, Broadview, Sheridan, Dayton, Ranchester, 
and Big Horn
201 PM MST Wed Feb 10 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below
  zero.

* WHERE...Portions of North Central Wyoming and South Central 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow will continue to
  produce light accumulations through the week. Plan on winter 
  driving conditions. The wind chill threat may extend into the 
  weekend. Please check your forecast through the week.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
211 
WWUS45 KBYZ 111028
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
328 AM MST Thu Feb 11 2021

MTZ063-228-121030-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
328 AM MST Thu Feb 11 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 50 
  below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving conditions.
  The wind chill threat may extend into the weekend. Please check
  your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ032-033-037-121030-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Custer-Fallon-Carter-
Including the locations of Miles City, Ismay, Volborg, Baker, 
Plevna, Webster, Ekalaka, Alzada, Hammond, and Belltower
328 AM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of Central, South Central and Southeast 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the
  weekend. Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

MTZ029>031-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-121030-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Rosebud-Northern Stillwater-
Powder River-Northern Park-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-
Livingston Area-Beartooth Foothills-Southern Big Horn-
Southeastern Carbon-Northern Sweet Grass-Bighorn Canyon-
Northern Carbon-Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Colstrip, Forsyth, Ingomar, Angela, Columbus, 
Absarokee, Park City, Rapelje, Broadus, Biddle, Powderville, 
Sonnette, Clyde Park, Wilsall, Ryegate, Lavina, Red Lodge, 
Roberts, Roscoe, Hardin, Crow Agency, Busby, Lame Deer, Ashland, 
Birney, Emigrant, Livingston, Springdale, Fishtail, McLeod, Nye, 
Lodge Grass, Pryor, Wyola, Bridger, Belfry, Warren, Big Timber, 
Joliet, Fromberg, Melville, Pompeys Pillar, Custer, Billings, 
Laurel, Huntley, Broadview, Sheridan, Dayton, Ranchester, 
and Big Horn
328 AM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of North Central Wyoming and South Central 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving 
  conditions. The wind chill threat may extend into the weekend. 
  Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
184 
WWUS45 KBYZ 111745
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
Issued by National Weather Service Riverton WY
1045 AM MST Thu Feb 11 2021

MTZ063-228-121100-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
1045 AM MST Thu Feb 11 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 50 
  below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light 
  accumulations through Friday. Plan on winter driving 
  conditions. The wind chill threat may extend into the weekend. 
  Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ032-033-037-121100-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Custer-Fallon-Carter-
Including the locations of Miles City, Ismay, Volborg, Baker, 
Plevna, Webster, Ekalaka, Alzada, Hammond, and Belltower
1045 AM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of Central, South Central and Southeast 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the 
  weekend. Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

MTZ029>031-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-121100-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Rosebud-Northern Stillwater-
Powder River-Northern Park-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Paradise Valley-
Livingston Area-Beartooth Foothills-Southern Big Horn-
Southeastern Carbon-Northern Sweet Grass-Bighorn Canyon-
Northern Carbon-Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Colstrip, Forsyth, Ingomar, Angela, Columbus, 
Absarokee, Park City, Rapelje, Broadus, Biddle, Powderville, 
Sonnette, Clyde Park, Wilsall, Ryegate, Lavina, Red Lodge, 
Roberts, Roscoe, Hardin, Crow Agency, Busby, Lame Deer, Ashland, 
Birney, Emigrant, Livingston, Springdale, Fishtail, McLeod, Nye, 
Lodge Grass, Pryor, Wyola, Bridger, Belfry, Warren, Big Timber, 
Joliet, Fromberg, Melville, Pompeys Pillar, Custer, Billings, 
Laurel, Huntley, Broadview, Sheridan, Dayton, Ranchester, 
and Big Horn
1045 AM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of North Central Wyoming and South Central 
  Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light 
  accumulations through Friday. Plan on winter driving 
  conditions. The wind chill threat may extend into the weekend. 
  Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
305 
WWUS45 KBYZ 112121
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
221 PM MST Thu Feb 11 2021

MTZ031>033-037-121800-
/O.UPG.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
/O.EXA.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
221 PM MST Thu Feb 11 2021

...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 50 
  below zero.

* WHERE...Northern Rosebud, Custer, Fallon and Carter.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the
  weekend. Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing. 

&&

$$

MTZ063-228-121800-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
221 PM MST Thu Feb 11 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 55 
  below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving conditions.
  The wind chill threat may extend into the weekend. Please check
  your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing. 

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-121800-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
221 PM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving 
  conditions. The wind chill threat may extend into the weekend. 
  Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. When outside, make sure you
wear appropriate clothing.

&&

$$
833 
WWUS45 KBYZ 120341
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
841 PM MST Thu Feb 11 2021

MTZ063-228-121800-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
841 PM MST Thu Feb 11 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills as low as 55 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving conditions.
  The wind chill threat may extend into the weekend. Please check
  your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing.

&&

$$

MTZ031>033-037-121800-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210212T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
841 PM MST Thu Feb 11 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

* ADDITIONAL DETAILS...The wind chill threat may extend into the
  weekend. Please check your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing.

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-121800-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210212T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
841 PM MST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Friday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 10 minutes. The cold air will be
  dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through Friday. Plan on winter driving conditions.
  The wind chill threat may extend into the weekend. Please check
  your forecast for updates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. When outside, make sure you
wear appropriate clothing.

&&

$$
914 
WWUS45 KBYZ 120902
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
202 AM MST Fri Feb 12 2021

MTZ063-228-130915-
/O.EXT.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
202 AM MST Fri Feb 12 2021

...WIND CHILL WARNING NOW IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through today. Plan on winter driving conditions.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ031>033-037-130915-
/O.EXT.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
202 AM MST Fri Feb 12 2021

...WIND CHILL WARNING NOW IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 minutes. The cold 
  air will be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-130915-
/O.EXT.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
202 AM MST Fri Feb 12 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through today. Plan on winter driving conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$
009 
WWUS45 KBYZ 121645
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
945 AM MST Fri Feb 12 2021

MTZ063-228-131645-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
945 AM MST Fri Feb 12 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ031>033-037-131645-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
945 AM MST Fri Feb 12 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 minutes. The cold 
  air will be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-131645-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
945 AM MST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through today. Plan on winter driving conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
911 
WWUS45 KBYZ 122150
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
250 PM MST Fri Feb 12 2021

MTZ063-228-132200-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
250 PM MST Fri Feb 12 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ031>033-037-132200-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
250 PM MST Fri Feb 12 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-132200-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
250 PM MST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

* ADDITIONAL DETAILS...Periods of light snow can produce light
  accumulations through this evening, mainly along the foothills.
  Plan on winter driving conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
273 
WWUS45 KBYZ 131024
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
324 AM MST Sat Feb 13 2021

MTZ063-228-141030-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
324 AM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ031>033-037-141030-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
324 AM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 minutes. The cold 
  air will be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-141030-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
324 AM MST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$
137 
WWUS45 KBYZ 131711
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1011 AM MST Sat Feb 13 2021

MTZ063-228-141715-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
1011 AM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 5 minutes. The cold air will 
  be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ031>033-037-141715-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
1011 AM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 minutes. The cold 
  air will be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-141715-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
1011 AM MST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
008 
WWUS45 KBYZ 140135
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
635 PM MST Sat Feb 13 2021

MTZ063-228-141800-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
635 PM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Southern Wheatland and Judith Gap.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. Make sure you wear 
appropriate clothing, a hat, and gloves.

&&

$$

MTZ031>033-037-141800-
/O.CON.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
635 PM MST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Dangerously cold wind chills as low as 50 below zero.

* WHERE...Carter, Custer, Fallon and Northern Rosebud.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 5 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. Make sure you wear 
appropriate clothing, a hat, and gloves.

&&

$$

MTZ029-030-034-036-040-042-056>058-064>066-138-139-141-169-170-
172-173-235-WYZ199-141800-
/O.CON.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
Musselshell-Treasure-Northern Stillwater-Powder River-
Northern Park-Golden Valley-Red Lodge Foothills-Northern Big Horn-
Southern Rosebud-Paradise Valley-Livingston Area-
Beartooth Foothills-Southern Big Horn-Southeastern Carbon-
Northern Sweet Grass-Bighorn Canyon-Northern Carbon-
Melville Foothills-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Columbus, Absarokee, Park City, Rapelje, 
Broadus, Biddle, Powderville, Sonnette, Clyde Park, Wilsall, 
Ryegate, Lavina, Red Lodge, Roberts, Roscoe, Hardin, Crow Agency,
Busby, Lame Deer, Ashland, Birney, Emigrant, Livingston, 
Springdale, Fishtail, McLeod, Nye, Lodge Grass, Pryor, Wyola, 
Bridger, Belfry, Warren, Big Timber, Joliet, Fromberg, Melville, 
Pompeys Pillar, Custer, Billings, Laurel, Huntley, Broadview, 
Sheridan, Dayton, Ranchester, and Big Horn
635 PM MST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 10 minutes. The cold air will be
  dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$
754 
WWUS45 KBYZ 140924
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
224 AM MST Sun Feb 14 2021

MTZ063-228-150930-
/O.CAN.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
/O.NEW.KBYZ.WW.Y.0008.210214T0924Z-210215T1800Z/
Judith Gap-Southern Wheatland-
Including the locations of Judith Gap, Harlowton, Twodot, 
and Shawmut
224 AM MST Sun Feb 14 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Blowing snow and dangerous wind chills.

* WHERE...Judith Gap and Southern Wheatland.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Areas of blowing snow could significantly reduce
  visibility and cause drifting of snow on roads. The dangerously
  cold wind chills as low as 30 to 40 below zero could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling, especially in open areas. 

For the latest road conditions, call 5 1 1.

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

&&

$$

MTZ031>033-037-150930-
/O.CAN.KBYZ.WC.W.0001.000000T0000Z-210214T1800Z/
/O.EXB.KBYZ.WC.Y.0001.000000T0000Z-210215T1800Z/
Northern Rosebud-Custer-Fallon-Carter-
Including the locations of Colstrip, Forsyth, Ingomar, Angela, 
Miles City, Ismay, Volborg, Baker, Plevna, Webster, Ekalaka, 
Alzada, Hammond, and Belltower
224 AM MST Sun Feb 14 2021

...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Very cold wind chills. Wind chills as low as 25 to 40 
  below zero.

* WHERE...Northern Rosebud, Custer, Fallon and Carter.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 10 minutes. The cold air will 
  be dangerous for young livestock and pets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

MTZ034-040-056-064>066-139-141-169-170-172-150930-
/O.CAN.KBYZ.WC.Y.0001.000000T0000Z-210214T1800Z/
/O.NEW.KBYZ.WW.Y.0008.210214T0924Z-210215T1800Z/
Northern Stillwater-Northern Park-Red Lodge Foothills-
Paradise Valley-Livingston Area-Beartooth Foothills-
Southeastern Carbon-Northern Sweet Grass-Bighorn Canyon-
Northern Carbon-Melville Foothills-
Including the locations of Columbus, Absarokee, Park City, 
Rapelje, Clyde Park, Wilsall, Red Lodge, Roberts, Roscoe, 
Emigrant, Livingston, Springdale, Fishtail, McLeod, Nye, Bridger, 
Belfry, Warren, Big Timber, Joliet, Fromberg, and Melville
224 AM MST Sun Feb 14 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...

* WHAT...Blowing snow and dangerous wind chills. 

* WHERE...Portions of South Central Montana.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Areas of blowing snow could significantly reduce
  visibility and cause drifting of snow on roadways. The
  dangerously cold wind chills as low as 40 below zero could 
  cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions, call 5 1 1.

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

&&

$$

MTZ029-030-036-042-057-058-138-173-235-WYZ199-150930-
/O.EXT.KBYZ.WC.Y.0001.000000T0000Z-210215T1800Z/
Musselshell-Treasure-Powder River-Golden Valley-Northern Big Horn-
Southern Rosebud-Southern Big Horn-Northeastern Yellowstone-
Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Roundup, Melstone, Musselshell, 
Hysham, Bighorn, Broadus, Biddle, Powderville, Sonnette, Ryegate,
Lavina, Hardin, Crow Agency, Busby, Lame Deer, Ashland, Birney, 
Lodge Grass, Pryor, Wyola, Pompeys Pillar, Custer, Billings, 
Laurel, Huntley, Broadview, Sheridan, Dayton, Ranchester, 
and Big Horn
224 AM MST Sun Feb 14 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST MONDAY...

* WHAT...Very cold wind chills of 30 to 40 below zero. Patchy
  blowing snow.

* WHERE...Portions of North Central Wyoming and Central, South 
  Central and Southeast Montana.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 10 minutes. The cold air will be
  dangerous for young livestock and pets. 

* ADDITIONAL DETAILS...Patchy blowing snow could cause slick 
  roadways and drifting of snow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

Nearby

Wind Chill Warnings in Montana, 2021Every wind chill warning in 2021

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.