Alert archive / Idaho / Winter Storm Warnings in 2021

Winter Storm Warning 3, NWS Pocatello, ID

January 26, 20218 counties in Idaho

NWS Pocatello, ID issued this winter storm warning at Jan 26, 2021, 3:26 AM MST for 8 counties in Idaho. It took effect at Jan 26, 2021, 11:00 PM MST. It was in force for 71 hr. 32 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
Jan 26, 2021, 3:26 AM MST (10:26 UTC)
In effect from
Jan 26, 2021, 11:00 PM MST
Expired
Jan 29, 2021, 10:00 PM MST
In force
71 hr
Issued by
NWS Pocatello, ID

Counties Blaine County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Custer County, ID, Fremont County, ID, Madison County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 85 km from the middle of the area, began a volume at 10:25 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
Jan 27, 7:00 AM MSTSNOW 2.3Moore, IDCOCORAHS STATION ID-BT-3 MOORE 0.1 W.
Jan 27, 8:00 AM MSTSNOW 2.6Dubois, IDSNOW OVERNIGHT.
Jan 27, 8:08 AM MSTSNOW 3Island Park, IDSINCE 5PM TUESDAY.
Jan 27, 8:28 AM MSTHEAVY SNOW 6.52 Sw Ketchum, ID16-HR ACCUMULATION...SINCE 4PM TUESDAY.
Jan 27, 10:25 AM MSTSNOW 1.8Dubois, ID
Jan 27, 5:45 PM MSTSNOW 6Ssw Darlington, ID6 INCHES OF SNOW FROM MIDNIGHT TO NOW.
Jan 27, 10:10 PM MSTSNOW 7Bellevue, IDWATER EQUIVALENT WAS 0.35 INCHES. 24 HOUR TOTAL.
Jan 28, 4:11 AM MSTSNOW 11Ketchum, IDMEASURED BY CHIEF MET AT KMVT IN THE TOWN SQUARE.
Jan 28, 4:34 AM MSTHEAVY SNOW 283 Sw Ketchum, IDSUN VALLEY SNOW STAKE. EVENT TOTAL SO FAR.
Jan 28, 6:10 AM MSTHEAVY SNOW 193 N Hailey, ID24 HOUR STORM TOTAL, STILL SNOWING.
Jan 28, 7:59 AM MSTSNOW 62 N Macks Inn, ID24-HOUR TOTAL.
Jan 28, 8:00 AM MSTHEAVY SNOW 141 Wnw Hailey, IDSWE 1.08 INCHES.
Jan 28, 8:05 AM MSTSNOW 2Ashton, IDOVERNIGHT TOTAL.
Jan 28, 9:00 AM MSTSNOW 144 Ssw Sun Valley, IDSTORM TOTAL SO FAR.
Jan 28, 9:03 AM MSTSNOW 7.5Galena, IDOVERNIGHT FROM 4PM TO 9AM
Jan 28, 9:07 AM MSTSNOW 2.8Marysville, ID12-HOUR TOTAL. 0.15IN LIQUID EQUIVALENT.
Jan 28, 11:14 AM MSTHEAVY SNOW 141 Nnw Hailey, ID
Jan 28, 12:00 PM MSTHEAVY SNOW 3.55 Nne Dubois, ID19 HOUR TOTAL. STORM TOTAL IS 8.5.
Jan 28, 12:00 PM MSTSNOW 3.55 Nne Dubois, IDCORRECTS PREVIOUS HEAVY SNOW REPORT FROM 5 NNE DUBOIS. 19 HOUR TOTAL. STORM TOTAL IS 8.5. *CORRECTED EVENT TYPE FROM HEAVY SNOW TO SNOW*.
Jan 28, 3:00 PM MSTHEAVY SNOW 212 Nnw Hailey, IDSNOWFALL TOTAL FOR EVENT THUS FAR.
Jan 28, 3:30 PM MSTHEAVY SNOW 323 Nnw Hailey, IDMEASURED OVER APPROX 36 HOURS. LOCATION IS ESTIMATED.
Jan 28, 3:30 PM MSTHEAVY SNOW 386 Ese Sun Valley, IDREPORTED NEAR EAST FORK BIG WOOD, HAILEY, ID.
Jan 28, 5:14 PM MSTHEAVY SNOW 10Galena Lodge, ID24 HOUR REPORT FROM SNOW BOARD STARTING AT 4 PM ON THE 27TH AND ENDING AT 4 PM ON THE 28TH.
Jan 28, 5:18 PM MSTHEAVY SNOW 181 Sw Ketchum, IDSNOW STAKE CAM, 24 HOUR REPORT FROM 4 PM ON THE 27TH TO 4 PM ON THE 28TH.
Jan 28, 6:00 PM MSTHEAVY SNOW 153 Nnw Craters Of Moon, IDESTIMATED SINCE WEDNESDAY MORNING.
Jan 28, 6:13 PM MSTSNOW 11.2Ssw Darlington, ID11.25 INCHES OF TOTAL SNOW SINCE TUESDAY NIGHT AT MIDNIGHT
Jan 28, 11:38 PM MSTHEAVY SNOW 4.7Bellevue, ID4.7 INCHES 24 HOUR TOTAL. LIQUID EQUIVALENT 0.32 INCHES. SNOW DEPTH ESTIMATED 21 INCHES.
Jan 29, 6:10 AM MSTHEAVY SNOW 283 N Hailey, IDSTORM TOTAL. STILL SNOWING.
Jan 29, 7:00 AM MSTSNOW 2Bellevue, IDCOCORAHS STATION ID-BN-3 BELLEVUE.
Jan 29, 7:00 AM MSTSNOW 3.1Moore, IDCOCORAHS STATION ID-BT-3 MOORE 0.1 W.
Jan 29, 7:00 AM MSTSNOW 51 Wnw Hailey, IDCOCORAHS STATION ID-BN-6 HAILEY 1.0 WNW.
Jan 29, 8:08 AM MSTSNOW 72 N Macks Inn, ID24HR SNOWFALL.

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

The nearest sounding before it

Boise Airport, ID (KBOI), launched 00:00Z, 10.4 hours before the alert went out and 302 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, Boise Airport, ID at 00:00Z on 2021-01-26Temperature 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, Boise Airport, ID at 00:00Z on 2021-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
1169 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

557 
WWUS45 KPIH 261026
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
326 AM MST Tue Jan 26 2021

IDZ069-072>075-262200-
/O.UPG.KPIH.WS.A.0001.210127T0600Z-210129T1200Z/
/O.NEW.KPIH.WS.W.0003.210127T0600Z-210129T1200Z/
Lost River Range-Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Stanley, Ketchum, Sun Valley,
Galena, Copper Basin, Hailey, Bellevue, and Picabo
326 AM MST Tue Jan 26 2021

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

* WHAT...Heavy snow and wind expected. Total snow accumulations of
  10 to 20 inches at lower elevations, with highest elevations
  around 2 feet. The Lost River Range should see 6 to 16 inches.
  The Stanley Basin should see 4 to 8 inches. Winds gusting 25 to
  35 mph especially at mid and upper elevations.

* WHERE...Hailey, Ketchum, Galena Summit, Banner Summit, Stanley,
  Copper Basin and Bellevue. 

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow and
  gusty winds. The hazardous conditions could impact the morning 
  or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-066-262200-
/O.UPG.KPIH.WS.A.0001.210127T1800Z-210130T0600Z/
/O.NEW.KPIH.WS.W.0003.210127T1800Z-210130T0600Z/
Big Hole Mountains-Centennial Mountains - Island Park-
Including the cities of Victor, Island Park, and Kilgore
326 AM MST Tue Jan 26 2021

...WINTER STORM WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 11 PM
MST FRIDAY...

* WHAT...Heavy snow and wind expected. Total snow accumulations of
  6 to 12 inches, with higher elevations around 18 inches. Winds
  gusting 25 to 35 mph. 

* WHERE...Island Park, Victor, Pine Creek Pass, Targhee Pass, and
  Raynolds Pass. 

* WHEN...From 11 AM Wednesday to 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow and
  gusty winds. The hazardous conditions could impact the morning
  or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ068-262200-
/O.UPG.KPIH.WS.A.0001.210127T0600Z-210129T1200Z/
/O.EXA.KPIH.WW.Y.0006.210127T0600Z-210129T1200Z/
Lost River Valley-
Including the cities of Howe, Arco, Mackay, and Chilly
326 AM MST Tue Jan 26 2021

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

* WHAT...Snow and wind expected. 4 to 10 inches for locations
  closer to the Snake Plain. Lower amounts closer to Willow Creek
  Summit. Wind gusts of 20 to 30 mph.

* WHERE...Arco, Mackay and Howe. 

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning or 
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060-262200-
/O.UPG.KPIH.WS.A.0001.210127T1800Z-210130T0600Z/
/O.EXA.KPIH.WW.Y.0006.210127T1800Z-210130T0600Z/
Bear River Range-
Including the city of Emigration Summit
326 AM MST Tue Jan 26 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO
11 PM MST FRIDAY...

* WHAT...Snow and wind expected. Total snow accumulations of 5 to
  10 inches. Winds gusting 20 to 30 mph.

* WHERE...Bear River Range, including Idaho 36 over Emmigration
  Summit. 

* WHEN...From 11 AM Wednesday to 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning or 
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ067-262200-
/O.EXA.KPIH.WW.Y.0006.210127T0600Z-210129T1200Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
326 AM MST Tue Jan 26 2021

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

* WHAT...Snow and wind expected. Total snow accumulations of 2 to
  6 inches at lower elevations and around 1 foot at mid and upper
  elevations. Winds gusting 25 to 35 mph.

* WHERE...Dubois, Monida Pass, Lone Pine, Spencer and Small. 

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning or 
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051>053-262200-
/O.CON.KPIH.WW.Y.0006.210127T0600Z-210129T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, 
and St. Anthony
326 AM MST Tue Jan 26 2021

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

* WHAT...Snow expected. Total snow accumulations of 2 to 7 inches.
  Areas around Crater of the Moon should 8 to 12 inches total. For
  Idaho Falls and Rexburg, 2 inches or less. Winds gusting 20 to
  35 mph. 
 
* WHERE...Lava Beds north of Shoshone, Carey, Craters of the Moon,
  Tom Cat Summit, the INL Complex, Mud Lake, and St Anthony. 

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning or 
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ063-262200-
/O.CON.KPIH.WW.Y.0006.210127T1800Z-210130T0600Z/
Caribou Range-
Including the cities of Wayan and Swan Valley
326 AM MST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY
TO 11 PM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 6 inches.
  Winds gusting 20 to 30 mph.

* WHERE...Swan Valley, Palisades Reservoir and Wayan.

* WHEN...From 11 AM Wednesday to 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning or 
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
8 follow-up statements
739 
WWUS45 KPIH 262118
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
218 PM MST Tue Jan 26 2021

IDZ069-072>075-271230-
/O.CON.KPIH.WS.W.0003.210127T0600Z-210129T1200Z/
Lost River Range-Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Stanley, Ketchum, Sun Valley,
Galena, Copper Basin, Hailey, Bellevue, and Picabo
218 PM MST Tue Jan 26 2021

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

* WHAT...Heavy snow and wind expected. Total snow accumulations 
  of 10 to 20 inches at lower elevations, with highest 
  elevations around 2 feet. The Lost River Range should see 6 to 
  16 inches. The Stanley Basin should see 4 to 8 inches. Winds 
  gusting 25 to 35 mph especially at mid and upper elevations.

* WHERE...Hailey, Ketchum, Galena Summit, Banner Summit, 
  Stanley, Copper Basin and Bellevue.

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow and
  gusty winds. Expect temporary road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-066-271230-
/O.CON.KPIH.WS.W.0003.210127T1800Z-210130T0600Z/
Big Hole Mountains-Centennial Mountains - Island Park-
Including the cities of Victor, Island Park, and Kilgore
218 PM MST Tue Jan 26 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO
11 PM MST FRIDAY...

* WHAT...Heavy snow and wind expected. Total snow accumulations 
  of 6 to 12 inches, with higher elevations around 18 inches. 
  Winds gusting 25 to 35 mph.

* WHERE...Island Park, Victor, Pine Creek Pass, Targhee Pass, 
  and Raynolds Pass.

* WHEN...From 11 AM Wednesday to 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow and
  gusty winds. Temporary road closures are possible as snow
  control efforts attempt to keep up with the heavy drifting of
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051>053-067-068-271230-
/O.CON.KPIH.WW.Y.0006.210127T0600Z-210129T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay, 
and Chilly
218 PM MST Tue Jan 26 2021

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

* WHAT...Snow expected. Total snow accumulations of 2 to 7 
  inches. Areas around Crater of the Moon should 8 to 12 inches 
  total. For Idaho Falls and Rexburg, 2 inches or less. Winds 
  gusting 20 to 35 mph.

* WHERE...Lava Beds north of Shoshone, Carey, Craters of the 
  Moon, Tom Cat Summit, the INL Complex, Mud Lake, and St 
  Anthony.

* WHEN...From 11 PM this evening to 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning and
  evening commute. Expect possible highway and road closure due to
  overwhelming drifting of snow makes keeping roads clear
  difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060-063-271230-
/O.CON.KPIH.WW.Y.0006.210127T1800Z-210130T0600Z/
Bear River Range-Caribou Range-
Including the cities of Emigration Summit, Wayan, and Swan Valley
218 PM MST Tue Jan 26 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY
TO 11 PM MST FRIDAY...

* WHAT...Snow and wind expected. Total snow accumulations of 5 
  to 10 inches. Winds gusting 20 to 30 mph.

* WHERE...Bear River Range, including Idaho 36 over Emmigration 
  Summit.

* WHEN...From 11 AM Wednesday to 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. Temporary road closures are possible due to heavy
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
129 
WWUS45 KPIH 270851
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
151 AM MST Wed Jan 27 2021

IDZ064-066-272200-
/O.EXT.KPIH.WS.W.0003.210127T0900Z-210130T0600Z/
Big Hole Mountains-Centennial Mountains - Island Park-
Including the cities of Victor, Island Park, and Kilgore
151 AM MST Wed Jan 27 2021

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

* WHAT...Heavy snow and wind expected. Total snow accumulations of
  6 to 16 inches, with some higher elevations around 18 to 24 
  inches. Winds gusting 25 to 35 mph.

* WHERE...Island Park, Victor, Pine Creek Pass, Targhee Pass, 
  and Raynolds Pass.

* WHEN...Until 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow 
  and gusty winds. Temporary road closures are possible as snow 
  control efforts attempt to keep up with the heavy drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-072>075-272200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210129T1200Z/
Lost River Range-Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Stanley, Ketchum, Sun Valley,
Galena, Copper Basin, Hailey, Bellevue, and Picabo
151 AM MST Wed Jan 27 2021

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

* WHAT...Heavy snow and wind expected. Total snow accumulations of
  10 to 20 inches at lower elevations, with highest elevations
  around 25 to 30 inches. The Lost River Range should see 6 to 16
  inches. The Stanley Basin should see 4 to 8 inches. Winds 
  gusting 25 to 35 mph especially at mid and upper elevations.

* WHERE...Hailey, Ketchum, Galena Summit, Banner Summit, 
  Stanley, Copper Basin and Bellevue.

* WHEN...Until 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to heavier snow 
  and gusty winds. Expect temporary road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060-063-272200-
/O.EXT.KPIH.WW.Y.0006.210127T0900Z-210130T0600Z/
Bear River Range-Caribou Range-
Including the cities of Emigration Summit, Wayan, and Swan Valley
151 AM MST Wed Jan 27 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST FRIDAY...

* WHAT...Snow and wind expected. Total snow accumulations of 4 to
  9 inches. Winds gusting 20 to 30 mph.

* WHERE...Bear River Range, including Idaho 36 over Emigration
  Summit, Wayan and Swan Valley.

* WHEN...Until 11 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to heavy 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051>053-067-068-272200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210129T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay, 
and Chilly
151 AM MST Wed Jan 27 2021

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

* WHAT...Snow expected. Total snow accumulations of 3 to 9 inches.
  Craters of the Moon and higher elevations adjacent to the Snake
  Plain should see 8 to 12 inches total. The mountains from Dubois
  north to the Montana border should see 10 to 18 inches. For 
  Idaho Falls and Rexburg, 2 inches or less. Winds gusting 20 to 
  35 mph.

* WHERE...Lava Beds north of Shoshone, Carey, Craters of the Moon,
  Tom Cat Summit, Arco, Mackey, the I N L Complex, Mud Lake, 
  Dubois, Monida Pass, Small and St Anthony.

* WHEN...Until 5 AM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. The hazardous conditions could impact the morning and 
  evening commute. Expect possible highway and road closure due 
  to overwhelming drifting of snow makes keeping roads clear 
  difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
819 
WWUS45 KPIH 272056
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
156 PM MST Wed Jan 27 2021

IDZ066-281100-
/O.EXB.KPIH.WW.Y.0006.210129T0000Z-210130T0000Z/
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
156 PM MST Wed Jan 27 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THURSDAY TO 5 PM
MST FRIDAY...

* WHAT...For the Winter Storm Warning, heavy snow at times.
  Additional snow accumulations of 8 to 16 inches or more in the
  mountains and 4 to 8 inches in the lower elevations tonight
  through Thursday. Locally gusty winds may produce areas of
  blowing and drifting snow. For the Winter Weather Advisory,
  moderate snow is expected. Total snow accumulations of 4 to 7
  inches in the mountains and 2 to 4 inches in the lower
  elevations Thursday night through Friday.

* WHERE...Island Park region.

* WHEN...For the Winter Storm Warning, until 5 PM MST Thursday. 
  For the Winter Weather Advisory, from 5 PM Thursday to 5 PM 
  MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. Temporary road closures are possible due to drifting 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ073>075-281100-
/O.EXB.KPIH.WW.Y.0006.210129T0000Z-210130T0000Z/
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Sun Valley Region-Big Lost Highlands/Copper Basin-
Wood River Foothills-
Including the cities of Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
156 PM MST Wed Jan 27 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THURSDAY TO 5 PM
MST FRIDAY...

* WHAT...For the Winter Storm Warning, heavy snow at times.
  Additional snow accumulations of 12 to 24 inches in the
  mountains and 4 to 8 inches in the lower elevations through
  Thursday. Winds gusting as high as 35 mph may create blowing and
  drifting snow. For the Winter Weather Advisory, moderate snow is
  expected. Total snow accumulations of 4 to 10 inches is expected
  in the mountains with 2 to 4 inches in the lower elevations
  Thursday night through Friday.

* WHERE...Wood River Region.

* WHEN...For the Winter Storm Warning, until 5 PM MST Thursday. 
  For the Winter Weather Advisory, from 5 PM Thursday to 5 PM 
  MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. Temporary road closures are possible due to drifting
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-072-281100-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Lost River Range-Sawtooth/Stanley Basin-
Including the cities of Borah Peak and Stanley
156 PM MST Wed Jan 27 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY...

* WHAT...Snow, moderate to heavy at times. Total snow
  accumulations of 8 to 18 inches in the mountains and 4 to 8
  inches in the lower elevations and basins. Winds gusting to 35
  mph will create areas of blowing and drifting snow. 

* WHERE...Sawtooth and Lost River Ranges.

* WHEN...Until 5 PM MST Thursday.

* IMPACTS...Travel could be very difficult over mountain passes due
  to heavier snow and gusty winds. Expect temporary road 
  closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-281100-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Big Hole Mountains-
Including the city of Victor
156 PM MST Wed Jan 27 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY...

* WHAT...Snow, moderate to heavy at times. Total snow
  accumulations of 6 to 16 inches in the mountains and 3 to 6
  inches in the lower elevations. Winds gusting 25 to 35 mph will
  create areas of blowing and drifting snow.

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 5 PM MST Thursday.

* IMPACTS...Travel could be very difficult due to heavier snow 
  and gusty winds. Temporary road closures are possible as snow 
  control efforts attempt to keep up with the heavy drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051>053-067-068-281100-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay, 
and Chilly
156 PM MST Wed Jan 27 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST
THURSDAY...

* WHAT...Snow, moderate at times. Total snow accumulations of 4 to
  8 inches with locally higher amounts around 10 inches near
  Craters of the Moon and Monida Pass. For Idaho Falls and
  Rexburg, around 2 inches. Winds gusting 20 to 35 mph may produce
  areas of blowing and drifting snow.

* WHERE...Lava Beds north of Shoshone, Carey, Craters of the 
  Moon, Tom Cat Summit, Arco, Mackey, the I N L Complex, Mud 
  Lake, Dubois, Monida Pass, Small and St Anthony.

* WHEN...Until 5 PM MST Thursday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. The hazardous conditions could impact the morning and
  evening commute. Expect possible highway and road closure due to
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060-063-281100-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
Bear River Range-Caribou Range-
Including the cities of Emigration Summit, Wayan, and Swan Valley
156 PM MST Wed Jan 27 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST
THURSDAY...

* WHAT...Snow, moderate at times. Total snow accumulations of 4 to
  9 inches in the mountains and 2 to 4 inches in the lower
  elevations. Winds gusting 20 to 30 mph may create areas of
  blowing and drifting snow.

* WHERE...Bear River Range and the Caribou Highlands.

* WHEN...Until 5 PM MST Thursday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to heavy 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
244 
WWUS45 KPIH 280941
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
241 AM MST Thu Jan 28 2021

IDZ066-282200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
/O.CON.KPIH.WW.Y.0006.210129T0000Z-210130T0000Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
241 AM MST Thu Jan 28 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST FRIDAY...

* WHAT...Snow, heavy at times, and gusty winds. Additional
  accumulations of 4 to 10 inches at lower elevations and 10 to 20
  inches in the higher mountains.

* WHERE...Island Park, Targhee Pass and Raynolds Pass. 

* WHEN...For the Winter Storm Warning, until 5 PM MST Today. For
  the Winter Weather Advisory, from 5 PM Today to 5 PM MST 
  Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to drifting 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ073>075-282200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
/O.CON.KPIH.WW.Y.0006.210129T0000Z-210130T0000Z/
Sun Valley Region-Big Lost Highlands/Copper Basin-
Wood River Foothills-
Including the cities of Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
241 AM MST Thu Jan 28 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST FRIDAY...

* WHAT...Snow, heavy at times, and gusty winds. Additional
  accumulations of 5 to 15 inches at lower elevations, and 18 to
  24 inches in the mountains. 

* WHERE...Ketchum, Hailey, Bellevue and Galena Summit.

* WHEN...For the Winter Storm Warning, until 5 PM MST Today. For
  the Winter Weather Advisory, from 5 PM Today to 5 PM MST 
  Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to drifting 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-072-282200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Lost River Range-Sawtooth/Stanley Basin-
Including the cities of Borah Peak and Stanley
241 AM MST Thu Jan 28 2021

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

* WHAT...Snow, heavy at times, and gusty winds. Additional
  accumulations of 4 to 10 inches in the mountains. For the
  Stanley Basin, look for an additional 1 to 4 inches.

* WHERE...Stanley, Banner Summit and the Lost River Range
  including Mt Borah.

* WHEN...Until 5 PM MST Today.

* IMPACTS...Travel could be very difficult especially over 
  mountain passes due to heavier snow and gusty winds. Expect 
  temporary road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-282200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
Big Hole Mountains-
Including the city of Victor
241 AM MST Thu Jan 28 2021

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

* WHAT...Snow, heavy at times, and gusty winds. Additional
  accumulations of 3 to 8 inches, with locally higher amounts near
  the Wyoming border.

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 5 PM MST Today.

* IMPACTS...Travel could be very difficult due to heavier snow 
  and gusty winds. Temporary road closures are possible as snow 
  control efforts attempt to keep up with the heavy drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051>053-067-068-282200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay, 
and Chilly
241 AM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow and gusty winds. Additional accumulations of 1 to 4
  inches with locally higher amounts. Near Monida Pass, an
  additional 3 to 8 inches are possible. 

* WHERE...Lava Beds north of Shoshone, Carey, Craters of the 
  Moon, Tom Cat Summit, Arco, Mackey, the I N L Complex, Mud 
  Lake, Dubois, Monida Pass, Small and St Anthony.

* WHEN...Until 5 PM MST Today.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. The hazardous conditions could impact the morning and 
  evening commute. Expect possible highway and road closure due 
  to drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060-063-282200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
Bear River Range-Caribou Range-
Including the cities of Emigration Summit, Wayan, and Swan Valley
241 AM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow and gusty winds. Additional accumulations of 1 to 4
  inches.

* WHERE...Bear River Range, including Emigration Summit, Wayan and
  Swan Valley.

* WHEN...Until 5 PM MST Thursday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to heavy 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
187 
WWUS45 KPIH 282020
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
120 PM MST Thu Jan 28 2021

IDZ072-291100-
/O.CAN.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
/O.EXB.KPIH.WW.Y.0006.000000T0000Z-210130T0000Z/
Sawtooth/Stanley Basin-
Including the city of Stanley
120 PM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow, moderate at times. Additional accumulations of 2 to
  9 inches.

* WHERE...Sawtooth Mountains and Stanley Basin.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be hazardous, especially over Galena
  Summit. Expect possible highway and road closure due to drifting
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-291100-
/O.CAN.KPIH.WS.W.0003.000000T0000Z-210129T0000Z/
/O.EXB.KPIH.WW.Y.0006.000000T0000Z-210130T0000Z/
Big Hole Mountains-
Including the city of Victor
120 PM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Moderate to heavy snow. Additional accumulations of 3 to
  9 inches over the Big Hold Mountains. 

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult or hazardous at times.
  Expect possible highway or road closure due to drifting of 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ066-073>075-291100-
/O.CAN.KPIH.WW.Y.0006.210129T0000Z-210130T0000Z/
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T0000Z/
Centennial Mountains - Island Park-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Island Park, Kilgore, Ketchum, 
Sun Valley, Galena, Copper Basin, Hailey, Bellevue, and Picabo
120 PM MST Thu Jan 28 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST FRIDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Snow, heavy at times. Additional accumulations of 6 to 16
  inches possible in the mountains and over passes with 2 to 6
  inches in the lower elevations.

* WHERE...Smokey, Pioneer, and Centennial Mountains. Including
  Galena Summit and Targhee Pass.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Temporary road closures are possible due to drifting 
  snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ051-053-060-063-282130-
/O.CAN.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
Shoshone/Lava Beds-Upper Snake River Plain-Bear River Range-
Caribou Range-
Including the cities of Shoshone, Richfield, Carey, Idaho Falls, 
Rexburg, St. Anthony, Emigration Summit, Wayan, and Swan Valley
120 PM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow and lower valley rain is expected through Friday, 
however accumulations are not expected to be impactful at this 
time. Thus the Winter Weather Advisory has been cancelled.

$$

IDZ067-291100-
/O.UPG.KPIH.WW.Y.0006.000000T0000Z-210129T0000Z/
/O.EXB.KPIH.WS.W.0003.000000T0000Z-210130T0000Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
120 PM MST Thu Jan 28 2021

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

* WHAT...Moderate to heavy snow. Additional accumulations of 6 to
  16 inches over the mountains and passes with 1 to 5 inches in
  the lower elevations.

* WHERE...Dubois north to Monida Pass.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. Expect possible highway and road closures due to drifting
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-291100-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T0000Z/
Lost River Range-
Including the city of Borah Peak
120 PM MST Thu Jan 28 2021

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

* WHAT...Moderate to heavy snow. Additional accumulations of 6 to
  12 inches in the mountains and 2 to 6 inches across the lower
  slopes.

* WHERE...Lost River Range including Mt Borah.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be difficult especially over mountain 
  passes due to heavier snow and gusty winds. Expect temporary 
  road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ052-068-291100-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210130T0000Z/
Arco/Mud Lake Desert-Lost River Valley-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Howe, Arco, Mackay, and Chilly
120 PM MST Thu Jan 28 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST FRIDAY...

* WHAT...Moderate snow. Additional accumulations of 2 to 5 inches
  with locally higher amounts near Craters of the Moon and Arco.

* WHERE...Craters of the Moon, Tom Cat Summit, Arco, and Mackey.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty
  winds. Expect possible highway and road closures due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
273 
WWUS45 KPIH 290825
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
125 AM MST Fri Jan 29 2021

IDZ066-067-292200-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T1200Z/
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Including the cities of Island Park, Kilgore, Dubois, Spencer, 
Edie School, and Small
125 AM MST Fri Jan 29 2021

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

* WHAT...Moderate to heavy snow at times and gusty winds. 
  Additional accumulations of 3 to 8 inches, with locally higher 
  amounts in the mountains along the Montana border and 
  Yellowstone. 

* WHERE...Dubois, Spencer, Monida Pass, Island Park, Targhee Pass
  and Raynolds Pass. 

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Expect possible highway and road closures due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-073>075-292200-
/O.CON.KPIH.WS.W.0003.000000T0000Z-210130T0000Z/
Lost River Range-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
125 AM MST Fri Jan 29 2021

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

* WHAT...Moderate to heavy snow at times along with gusty winds. Additional
  accumulations of 2 to 6 inches, with locally higher amounts. 

* WHERE...Hailey, Bellevue, Sun Valley, Galena Summit, and the
  Lost River Range including Mt Borah. 

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be difficult especially over mountain 
  passes due to heavier snow and gusty winds. Expect temporary 
  road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-292200-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210130T1200Z/
Big Hole Mountains-
Including the city of Victor
125 AM MST Fri Jan 29 2021

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

* WHAT...Moderate snow and gusty winds at times. Additional
  accumulations of 3 to 8 inches. 

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 5 AM MST Saturday.

* IMPACTS...Travel could be very difficult or hazardous at 
  times. Expect possible highway or road closure due to drifting 
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ072-292200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210130T0000Z/
Sawtooth/Stanley Basin-
Including the city of Stanley
125 AM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow, moderate at times. Additional accumulations of 2 
  to 5 inches.

* WHERE...Stanley, Smiley Creek and Banner Summit.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be hazardous, especially over Galena 
  Summit. Expect possible highway and road closure due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ052-068-292200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210130T0000Z/
Arco/Mud Lake Desert-Lost River Valley-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Howe, Arco, Mackay, and Chilly
125 AM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Moderate snow and gusty winds. Additional accumulations 
  of 1 to 4 inches.

* WHERE...Craters of the Moon, Tom Cat Summit, Arco, and Mackey.

* WHEN...Until 5 PM MST Friday.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Expect possible highway and road closures due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
817 
WWUS45 KPIH 291907
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1207 PM MST Fri Jan 29 2021

IDZ066-300500-
/O.EXB.KPIH.WW.Y.0006.210130T0500Z-210130T1700Z/
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
1207 PM MST Fri Jan 29 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM MST THIS
EVENING...
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM MST SATURDAY...

* WHAT...Heavy snow at times through midnight and then moderate
  snow late tonight and Saturday morning. Additional snow
  accumulations of 4 to 9 inches above 6000 feet and 1 to 4 inches
  across the lower slopes.

* WHERE...Centennial Mountains and Island Park.

* WHEN...Winter Storm Warning through 10 PM MST this evening, then
  Winter Weather Advisory from 10 PM this evening to 10 AM MST 
  Saturday.

* IMPACTS...Travel could be very difficult or hazardous at times.
  Expect possible highway or road closures due to blowing and drifting
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-073>075-300500-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
Lost River Range-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
1207 PM MST Fri Jan 29 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM MST THIS
EVENING...

* WHAT...Moderate snow at times. Additional accumulations this
  evening of 2 to 6 inches in the mountains and 1 to 3 inches
  across lower slopes.

* WHERE...Sun Valley and the Lost River Regions including Galena
  Summit.

* WHEN...Until 10 PM MST this evening.

* IMPACTS...Travel could be difficult especially over mountain 
  passes due to heavier snow and gusty winds. Expect temporary 
  road closures.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ067-300500-
/O.EXT.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
1207 PM MST Fri Jan 29 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM MST THIS
EVENING...

* WHAT...Moderate to heavy snow at times and gusty winds.
  Additional accumulations of 3 to 8 inches in the mountains and
  along the Montana border this evening with 1 to 3 inches across
  the lower slopes.

* WHERE...Dubois, Spencer, Monida Pass.

* WHEN...Until 10 PM MST this evening.

* IMPACTS...Travel could be very difficult due to snow and gusty 
  winds. Expect possible highway and road closures due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060>063-065-300500-
/O.EXB.KPIH.WW.Y.0006.210130T0500Z-210130T1700Z/
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Teton Valley-
Including the cities of Emigration Summit, St. Charles, 
Montpelier, Georgetown, Grace, Soda Springs, Henry, Bone, Wayan, 
Swan Valley, Ashton, Tetonia, and Driggs
1207 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM MST SATURDAY...

* WHAT...Moderate snow expected. Total snow accumulations of 4 to
  8 inches possible above 6500 feet with 1 to 3 inches across
  lower slopes and valleys.

* WHERE...From Teton valley south through Palisades to the Bear
  Lake region, including Georgetown and Fish Creek Summits.

* WHEN...From 10 PM this evening to 10 AM MST Saturday.

* IMPACTS...Travel could be very difficult or hazardous at 
  times. Expect possible highway or road closure due to drifting 
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ072-300500-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210130T0500Z/
Sawtooth/Stanley Basin-
Including the city of Stanley
1207 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM MST THIS
EVENING...

* WHAT...Snow, moderate at times. Additional accumulations of 1 to
  5 inches through the evening.

* WHERE...Stanley basin and the Sawtooths including Galena Summit.

* WHEN...Until 10 PM MST this evening.

* IMPACTS...Travel could be hazardous, especially over Galena 
  Summit. Expect possible highway and road closure due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ052-068-300500-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210130T0500Z/
Arco/Mud Lake Desert-Lost River Valley-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Howe, Arco, Mackay, and Chilly
1207 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM MST THIS
EVENING...

* WHAT...Snow, moderate at times. Additional accumulations of 1 to
  3 inches, especially near Arco and Craters of the Moon.

* WHERE...Craters of the Moon, Tom Cat Summit, Arco, and Mackey.

* WHEN...Until 10 PM MST this evening.

* IMPACTS...Travel could be difficult at times due to snow and 
  gusty winds. Expect possible highway and road closures due to 
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ064-300500-
/O.EXT.KPIH.WW.Y.0006.000000T0000Z-210130T1700Z/
Big Hole Mountains-
Including the city of Victor
1207 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM MST
SATURDAY...

* WHAT...Moderate snow and gusty winds at times. Additional
  accumulations of 3 to 8 inches above 6500 feet with 1 to 3
  inches across lower slopes.

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 10 AM MST Saturday.

* IMPACTS...Travel could be very difficult or hazardous at 
  times. Expect possible highway or road closure due to drifting 
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
634 
WWUS45 KPIH 300457
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
957 PM MST Fri Jan 29 2021

IDZ066-301200-
/O.EXP.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
/O.CON.KPIH.WW.Y.0006.210130T0500Z-210130T1700Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
957 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST
SATURDAY...

...WINTER STORM WARNING WILL EXPIRE AT 10 PM MST THIS EVENING...

* WHAT...Snow expected. Total snow accumulations of 1 to 6 
  inches.

* WHERE...Centennial Mountains and Island Park.

* WHEN...Winter Storm Warning through 10 PM MST this evening, 
  then Winter Weather Advisory from 10 PM this evening to 10 AM 
  MST Saturday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ069-073>075-300600-
/O.EXP.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
Lost River Range-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Borah Peak, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
957 PM MST Fri Jan 29 2021

...WINTER STORM WARNING WILL EXPIRE AT 10 PM MST THIS EVENING...

Expect lingering light snow this evening but little snow 
accumulation is expected. 


$$

IDZ067-300600-
/O.EXP.KPIH.WS.W.0003.000000T0000Z-210130T0500Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
957 PM MST Fri Jan 29 2021

...WINTER STORM WARNING WILL EXPIRE AT 10 PM MST THIS EVENING...

Expect lingering light snow this evening but little snow 
accumulation is expected. 

$$

IDZ072-300600-
/O.EXP.KPIH.WW.Y.0006.000000T0000Z-210130T0500Z/
Sawtooth/Stanley Basin-
Including the city of Stanley
957 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM MST THIS
EVENING...

Expect lingering light snow this evening but little snow 
accumulation is expected. 

$$

IDZ052-068-300600-
/O.EXP.KPIH.WW.Y.0006.000000T0000Z-210130T0500Z/
Arco/Mud Lake Desert-Lost River Valley-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Howe, Arco, Mackay, and Chilly
957 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM MST THIS
EVENING...

Expect lingering light snow this evening but little snow 
accumulation is expected. 

$$

IDZ064-301200-
/O.CON.KPIH.WW.Y.0006.000000T0000Z-210130T1700Z/
Big Hole Mountains-
Including the city of Victor
957 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST
SATURDAY...

* WHAT...Moderate snow and gusty winds at times. Additional
  accumulations of 3 to 5 inches above 6500 feet with 1 to 3
  inches across lower slopes. Blowing and drifting of snow is
  possible, especially higher elevations. 

* WHERE...Big Hole Mountains including Pine Creek Pass.

* WHEN...Until 10 AM MST Saturday.

* IMPACTS...Travel could be very difficult or hazardous at 
  times. Expect possible highway or road closure due to drifting 
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

IDZ060>063-065-301200-
/O.CON.KPIH.WW.Y.0006.210130T0500Z-210130T1700Z/
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Teton Valley-
Including the cities of Emigration Summit, St. Charles, 
Montpelier, Georgetown, Grace, Soda Springs, Henry, Bone, Wayan, 
Swan Valley, Ashton, Tetonia, and Driggs
957 PM MST Fri Jan 29 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST
SATURDAY...

* WHAT...Light to moderate snow expected with gusty winds. Total 
  snow accumulations of 3 to 6 inches possible above 6500 feet 
  with 1 to 3 inches across lower slopes and valleys. Blowing and 
  drifting of snow is possible, especially at higher elevations. 

* WHERE...From Teton valley south through Palisades to the Bear 
  Lake region, including Georgetown and Fish Creek Summits.

* WHEN...From 10 PM this evening to 10 AM MST Saturday.

* IMPACTS...Travel could be very difficult or hazardous at 
  times. Expect possible highway or road closure due to drifting 
  of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello

Nearby

Winter Storm Warnings in Idaho, 2021Every winter storm 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.