Alert archive / Idaho / Winter Storm Warnings in 2021

Winter Storm Warning 8, NWS Pocatello, ID

December 10, 20219 counties in Idaho

NWS Pocatello, ID issued this winter storm warning at Dec 10, 2021, 2:24 PM MST for 9 counties in Idaho. It took effect at Dec 11, 2021, 11:00 AM MST. It was in force for 4 days. 33 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Dec 10, 2021, 2:24 PM MST (21:24 UTC)
In effect from
Dec 11, 2021, 11:00 AM MST
Expired
Dec 15, 2021, 3:12 AM MST
In force
4 days
Issued by
NWS Pocatello, ID

Counties Bear Lake County, ID, Blaine County, ID, Butte County, ID, Caribou County, ID, Clark County, ID, Custer County, ID, Franklin County, ID, Fremont County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 45 km from the middle of the area, began a volume at 21:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Dec 12, 6:00 AM MSTSNOW 51 Nnw Picabo, IDCO-OP OBSERVER STATION PICI1 0.8 N PICABO.
Dec 12, 7:00 AM MSTSNOW 14 Nne Driggs, IDCOCORAHS STATION ID-TT-2 DRIGGS 4.0 NNE.
Dec 12, 7:00 AM MSTSNOW 1.4Moore, IDCOCORAHS STATION ID-BT-3 MOORE 0.1 W.
Dec 12, 7:00 AM MSTSNOW 2.6Stanley, IDCO-OP OBSERVER STATION STAI1 STANLEY.
Dec 12, 7:00 AM MSTSNOW 41 Wnw Hailey, IDCOCORAHS STATION ID-BN-6 HAILEY 1.0 WNW.
Dec 12, 7:30 AM MSTSNOW 4.5Bellevue, IDCOCORAHS STATION ID-BN-3 BELLEVUE.
Dec 12, 8:25 AM MSTSNOW 4.5Bellevue, IDSTILL SNOWING STEADILY.
Dec 12, 9:29 AM MSTSNOW 5.31 Ese Hailey, IDREPORT VIA FACEBOOK.
Dec 12, 9:51 AM MSTSNOW 2.5Island Park, IDSINCE YESTERDAY AT 4PM. REPORT VIA FACEBOOK.
Dec 12, 10:20 AM MSTSNOW 1.3Victor, IDFLUFFY SNOW BEGINNING TO BLOW AROUND. REPORT VIA FACEBOOK.
Dec 12, 10:21 AM MSTSNOW 2.51 Nne Carey, IDLIGHT TO MODERATE SNOW STEADILY FALLING. REPORT VIA FACEBOOK.
Dec 12, 10:25 AM MSTSNOW 2.5Arco, IDREPORT VIA FACEBOOK.
Dec 12, 10:28 AM MSTSNOW 44 Ne Magic City, IDREPORT VIA FACEBOOK.
Dec 12, 11:12 AM MSTSNOW 3Driggs, IDSTILL SNOWING STEADILY NEAR 1 INCH PER HOUR. REPORT VIA FACEBOOK.
Dec 12, 11:46 AM MSTSNOW 51 Wsw Bellevue, IDLIGHT SNOW CONTINUING TO FALL.
Dec 12, 12:50 PM MSTSNOW 4.81 Nne Carey, IDREPORT VIA FACEBOOK.
Dec 12, 6:39 PM MSTSNOW 62 Nnw Hailey, IDSNOW HAS STOPPED BRIEFLY.
Dec 13, 6:45 AM MSTSNOW 5.51 Wnw Hailey, IDCOCORAHS STATION ID-BN-6 HAILEY 1.0 WNW.
Dec 13, 7:00 AM MSTSNOW 3.8Stanley, IDCO-OP OBSERVER STATION STAI1 STANLEY.
Dec 13, 7:00 AM MSTSNOW 4.5Bellevue, IDCOCORAHS STATION ID-BN-3 BELLEVUE.
Dec 13, 8:12 AM MSTSNOW 9.3Bellevue, IDSTORM TOTAL. 3.25 INCHES NEW SNOW SINCE 10PM LAST NIGHT.
Dec 13, 10:00 AM MSTSNOW 102 Nnw Hailey, IDCURRENT STORM TOTAL SNOW AS OF 12/13 AT 17Z. REPORTED ONGOING LIGHT TO MODERATE WET SNOW AS TEMPERATURES CONTINUE TO RISE.
Dec 13, 2:45 PM MSTSNOW 111 Wsw Bellevue, IDSTORM TOTAL SNOW AS OF 12/13 22Z. REPORTED LIGHT BREAK IN THE SNOW SHOWERS.
Dec 13, 3:45 PM MSTSNOW 7Arco, IDSOCIAL MEDIA REPORT AS OF 12/13 23Z.
Dec 13, 7:59 PM MSTHEAVY SNOW 92 W Ketchum, ID24 HR SNOW ENDING AT 4 PM. TAKEN FROM SUN VALLEY RESORT SNOW STAKE.
Dec 13, 7:59 PM MSTHEAVY SNOW 92 W Ketchum, IDBALDY SNOW SNAKE FROM SUN VALLEY SKI RESORT, 24 HR TOTAL ENDING AT 4 PM TODAY
Dec 13, 10:28 PM MSTHEAVY SNOW 1410 Ne Gannett, IDNEAR LITTLE WOOD RESERVOIR. REPORTED VIA SOCIAL MEDIA.
Dec 14, 7:00 AM MSTSNOW 6.81 Wnw Hailey, IDCOCORAHS STATION ID-BN-6 HAILEY 1.0 WNW.
Dec 14, 7:00 AM MSTSNOW 9.5Moore, IDCOCORAHS STATION ID-BT-3 MOORE 0.1 W.
Dec 14, 8:10 AM MSTHEAVY SNOW 172 Nnw Hailey, IDSTORM TOTAL SNOW OF 15Z 12/15. STATION ELEVATION: 5388 FT.
Dec 14, 9:00 AM MSTHEAVY SNOW 95 Nne Dubois, ID4.3” OF NEW SNOW SINCE 5PM ON 12/13 AND 8.7” SINCE 5PM ON 12/12. REPORTED HEAVY WET SNOW CURRENTLY FALLING AT TIME OF THE REPORT.
Dec 14, 11:55 AM MSTHEAVY SNOW 14Darlington, IDSTORM TOTAL SNOW AS OF 12/14 19Z.
Dec 14, 5:36 PM MSTHEAVY SNOW 10.52 W Ketchum, IDBALDY MTN SNOW STAKE, 24 HOUR TOTAL ENDING AT 4 PM.

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

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 9.4 hours before the alert went out and 297 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, Salt Lake City I, UT at 12:00Z on 2021-12-10Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2021-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.19395878Sfc1 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
1171 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

741 
WWUS45 KPIH 102124
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
224 PM MST Fri Dec 10 2021

IDZ072-073-075-111200-
/O.UPG.KPIH.WS.A.0006.211211T1800Z-211215T0600Z/
/O.NEW.KPIH.WS.W.0008.211211T1800Z-211214T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Hailey, Bellevue, and Picabo
224 PM MST Fri Dec 10 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations
  of 2 to 3 feet above about 7,000 feet, and 10 to 20 inches below
  about 7,000 feet. Locally higher amounts are possible. Winds
  will gust as high as 20 MPH in the valleys and 40 MPH at peaks
  and ridgelines. Additional snow accumulations are also likely in
  the Tuesday to Wednesday time period, and warnings or 
  advisories may be extended.

* WHERE...The Sawtooth, Boulder, and Pioneer Mountains, Stanley
  Basin, and Wood River Valley, including but not limited to
  Banner Summit, Stanley, Galena Summit, Sun Valley, Ketchum,
  Hailey, and Picabo.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest
  snowfall is expected from Saturday evening into early Sunday
  morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In
  addition to heavy falling snow, areas of blowing snow will also
  be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ074-111200-
/O.NEW.KPIH.WS.W.0008.211211T1800Z-211214T1200Z/
Big Lost Highlands/Copper Basin-
Including the city of Copper Basin
224 PM MST Fri Dec 10 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations
  of 2 to 3 feet above about 7,500 feet, and 7 to 14 inches below
  about 7,500 feet. Winds will gust as high as 20 MPH in the 
  valleys and basins and 40 MPH at peaks and ridgelines. 
  Additional snow accumulations are also likely in the Tuesday to 
  Wednesday time period, and warnings or advisories may be 
  extended.

* WHERE...The Big Lost Highlands and Copper Basin.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest
  snowfall is expected from Saturday evening into early Sunday
  morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In
  addition to heavy falling snow, areas of blowing snow will also
  be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ066-111200-
/O.NEW.KPIH.WS.W.0008.211212T0300Z-211214T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
224 PM MST Fri Dec 10 2021

...WINTER STORM WARNING IN EFFECT FROM 8 PM SATURDAY TO 5 AM MST
TUESDAY...

* WHAT...Heavy snow expected. Total three day snow accumulations
  of 2 to 3 feet above about 7,000 feet, and 8 to 16 inches below
  about 7,000 feet. Locally higher amounts are possible. Winds 
  will gust as high as 30 MPH. Additional snow accumulations are 
  also likely in the Tuesday to Wednesday time period, and 
  warnings or advisories may be extended.

* WHERE...The Centennial Mountains and Island Park region,
  including but not limited to Raynolds Pass, Targhee Pass, Island
  Park, and Ashton Hill.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest
  snowfall is expected from Saturday night into Sunday morning,
  and again Monday morning into Monday afternoon. The strongest
  winds are expected Sunday afternoon.

* IMPACTS...Travel could be very difficult to impossible. In
  addition to heavy falling snow, areas of blowing snow will also
  be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ069-071-111200-
/O.NEW.KPIH.WW.Y.0018.211211T1800Z-211214T1200Z/
Lost River Range-Frank Church Wilderness-
Including the cities of Borah Peak and Clayton
224 PM MST Fri Dec 10 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 to
  12 inches, with locally higher amounts near peaks and
  ridgelines. Winds will gust as high as 35 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Lost River Range and Frank Church Wilderness,
  including Clayton.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest
  snowfall is expected from Saturday evening into early Sunday
  morning, and again Monday morning.

* IMPACTS...Travel could be difficult. In addition to falling 
  snow, areas of blowing snow will also be possible. Commutes will
  likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-064-067-068-111200-
/O.NEW.KPIH.WW.Y.0018.211212T0300Z-211214T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, and Chilly
224 PM MST Fri Dec 10 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM SATURDAY TO 5 AM
MST TUESDAY...

* WHAT...Snow expected. Total three day snow accumulations of 4 to
  10 inches, except lower totals of 2 to 4 inches across southern
  Lincoln County including Shoshone, and east of Arco including 
  most of the Arco Desert and Mud Lake region. Winds will gust as 
  high as 35 MPH. Additional snow accumulations are also likely in
  the Tuesday to Wednesday time period, and warnings or 
  advisories may be extended.

* WHERE...The Shoshone Lava Beds, Lost River Valleys, Arco Desert,
  Big Hole Mountains, and much of Clark County, including but not
  limited to Shoshone, Carey, Tom Cat Summit, Willow Creek Summit,
  Mackay, Arco, Idaho National Laboratory, Telegraph Hill, Mud
  Lake, Dubois, Monida Pass, and Pine Creek Pass.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest
  snowfall is expected from Saturday night into Sunday morning,
  and again Monday morning into Monday afternoon.

* IMPACTS...Plan on slippery road conditions. In addition to falling
  snow, areas of blowing snow will also be possible. Commutes 
  will likely be impacted.

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

KSmith
10 follow-up statements
630 
WWUS45 KPIH 111115
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
415 AM MST Sat Dec 11 2021

IDZ072>075-112300-
/O.CON.KPIH.WS.W.0008.211211T1800Z-211214T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
415 AM MST Sat Dec 11 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 5 AM MST TUESDAY...

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,500 feet, and 7 to 14 inches 
  below about 7,500 feet. Winds will gust as high as 20 MPH in 
  the valleys and basins and 40 MPH at peaks and ridgelines. 
  Additional snow accumulations are also likely in the Tuesday 
  to Wednesday time period, and warnings or advisories may be 
  extended.

* WHERE...The Big Lost Highlands and Copper Basin.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday evening into early Sunday 
  morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ066-112300-
/O.CON.KPIH.WS.W.0008.211212T0300Z-211214T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
415 AM MST Sat Dec 11 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 5 AM MST TUESDAY...

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 8 to 16 inches 
  below about 7,000 feet. Locally higher amounts are possible. 
  Winds will gust as high as 30 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday night into Sunday morning, 
  and again Monday morning into Monday afternoon. The strongest 
  winds are expected Sunday afternoon.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ069-071-112300-
/O.CON.KPIH.WW.Y.0018.211211T1800Z-211214T1200Z/
Lost River Range-Frank Church Wilderness-
Including the cities of Borah Peak and Clayton
415 AM MST Sat Dec 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 5 AM MST TUESDAY...

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 12 inches, with locally higher amounts near peaks and 
  ridgelines. Winds will gust as high as 35 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Lost River Range and Frank Church Wilderness, 
  including Clayton.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday evening into early Sunday 
  morning, and again Monday morning.

* IMPACTS...Travel could be difficult. In addition to falling 
  snow, areas of blowing snow will also be possible. Commutes 
  will likely be impacted.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

IDZ051-052-064-067-068-112300-
/O.CON.KPIH.WW.Y.0018.211212T0300Z-211214T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, and Chilly
415 AM MST Sat Dec 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 AM MST TUESDAY...

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 10 inches, except lower totals of 2 to 4 inches across 
  southern Lincoln County including Shoshone, and east of Arco 
  including most of the Arco Desert and Mud Lake region. Winds 
  will gust as high as 35 MPH. Additional snow accumulations are 
  also likely in the Tuesday to Wednesday time period, and 
  warnings or advisories may be extended.

* WHERE...The Shoshone Lava Beds, Lost River Valleys, Arco 
  Desert, Big Hole Mountains, and much of Clark County, 
  including but not limited to Shoshone, Carey, Tom Cat Summit, 
  Willow Creek Summit, Mackay, Arco, Idaho National Laboratory, 
  Telegraph Hill, Mud Lake, Dubois, Monida Pass, and Pine Creek 
  Pass.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday night into Sunday morning, 
  and again Monday morning into Monday afternoon.

* IMPACTS...Plan on slippery road conditions. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

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
376 
WWUS45 KPIH 112142
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
242 PM MST Sat Dec 11 2021

IDZ072>075-121100-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211214T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
242 PM MST Sat Dec 11 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations
  of 2 to 3 feet above about 7,000 feet, and 10 to 20 inches below
  about 7,000 feet. Winds will gust as high as 20 MPH in the 
  valleys and basins and 40 MPH at peaks and ridgelines. 
  Additional snow accumulations are also likely in the Tuesday to 
  Wednesday time period, and warnings or advisories may be 
  extended.

* WHERE...Copper Basin, The Big Lost Highlands, The Sawtooth, 
  Boulder, and Pioneer Mountains, Stanley Basin, and Wood River 
  Valley, including but not limited to Banner Summit, Stanley, 
  Galena Summit, Sun Valley, Ketchum, Hailey, and Picabo.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday evening into early Sunday 
  morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ066-121100-
/O.CON.KPIH.WS.W.0008.211212T0300Z-211214T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
242 PM MST Sat Dec 11 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 5 AM MST TUESDAY...

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 8 to 16 inches 
  below about 7,000 feet. Locally higher amounts are possible. 
  Winds will gust as high as 30 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Centennial Mountains and Island Park region,
  including but not limited to Raynolds Pass, Targhee Pass, Island
  Park, and Ashton Hill.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday night into Sunday morning, 
  and again Monday morning into Monday afternoon. The strongest 
  winds are expected Sunday afternoon.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ069-071-121100-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
Lost River Range-Frank Church Wilderness-
Including the cities of Borah Peak and Clayton
242 PM MST Sat Dec 11 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 12 inches, with locally higher amounts near peaks and 
  ridgelines. Winds will gust as high as 35 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Lost River Range and Frank Church Wilderness,
  including Clayton.

* WHEN...From 11 AM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday evening into early Sunday 
  morning, and again Monday morning.

* IMPACTS...Travel could be difficult. In addition to falling 
  snow, areas of blowing snow will also be possible. Commutes 
  will likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-064-067-068-121100-
/O.CON.KPIH.WW.Y.0018.211212T0300Z-211214T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, and Chilly
242 PM MST Sat Dec 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 5 AM MST TUESDAY...

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 10 inches, except lower totals of 2 to 4 inches across 
  southern Lincoln County including Shoshone, and east of Arco 
  including most of the Arco Desert and Mud Lake region. Winds 
  will gust as high as 35 MPH. Additional snow accumulations are 
  also likely in the Tuesday to Wednesday time period, and 
  warnings or advisories may be extended.

* WHERE...The Shoshone Lava Beds, Lost River Valleys, Arco Desert,
  Big Hole Mountains, and much of Clark County, including but not
  limited to Shoshone, Carey, Tom Cat Summit, Willow Creek Summit,
  Mackay, Arco, Idaho National Laboratory, Telegraph Hill, Mud
  Lake, Dubois, Monida Pass, and Pine Creek Pass.

* WHEN...From 8 PM Saturday to 5 AM MST Tuesday. The heaviest 
  snowfall is expected from Saturday night into Sunday morning, 
  and again Monday morning into Monday afternoon.

* IMPACTS...Plan on slippery road conditions. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

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

MacKay
107 
WWUS45 KPIH 121403
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
703 AM MST Sun Dec 12 2021

IDZ072>075-122300-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211214T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
703 AM MST Sun Dec 12 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 10 to 20 inches 
  below about 7,000 feet. Winds will gust as high as 20 MPH in 
  the valleys and basins and 40 MPH at peaks and ridgelines. 
  Additional snow accumulations are also likely in the Tuesday 
  to Wednesday time period, and warnings or advisories may be 
  extended.

* WHERE...Copper Basin, The Big Lost Highlands, The Sawtooth, 
  Boulder, and Pioneer Mountains, Stanley Basin, and Wood River 
  Valley, including but not limited to Banner Summit, Stanley, 
  Galena Summit, Sun Valley, Ketchum, Hailey, and Picabo.

* WHEN...Through 5 AM MST Tuesday. The heaviest snowfall is
  expected early Sunday morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.


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.

&&

$$

IDZ066-122300-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211214T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
703 AM MST Sun Dec 12 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 8 to 16 inches 
  below about 7,000 feet. Locally higher amounts are possible. 
  Winds will gust as high as 30 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...through 5 AM MST Tuesday. The heaviest snowfall is
  expected Sunday morning, and again Monday morning into Monday 
  afternoon. The strongest winds are expected Sunday afternoon.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.


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.

&&

$$

IDZ069-071-122300-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
Lost River Range-Frank Church Wilderness-
Including the cities of Borah Peak and Clayton
703 AM MST Sun Dec 12 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 12 inches, with locally higher amounts near peaks and 
  ridgelines. Winds will gust as high as 35 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Lost River Range and Frank Church Wilderness, 
  including Clayton.

* WHEN...through 5 AM MST Tuesday. The heaviest snowfall is
  expected early Sunday morning, and again Monday morning.

* IMPACTS...Travel could be difficult. In addition to falling 
  snow, areas of blowing snow will also be possible. Commutes 
  will likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-064-067-068-122300-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, and Chilly
703 AM MST Sun Dec 12 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 10 inches, except lower totals of 2 to 4 inches across 
  southern Lincoln County including Shoshone, and east of Arco 
  including most of the Arco Desert and Mud Lake region. Winds 
  will gust as high as 35 MPH. Additional snow accumulations are 
  also likely in the Tuesday to Wednesday time period, and 
  warnings or advisories may be extended.

* WHERE...The Shoshone Lava Beds, Lost River Valleys, Arco 
  Desert, Big Hole Mountains, and much of Clark County, 
  including but not limited to Shoshone, Carey, Tom Cat Summit, 
  Willow Creek Summit, Mackay, Arco, Idaho National Laboratory, 
  Telegraph Hill, Mud Lake, Dubois, Monida Pass, and Pine Creek 
  Pass.

* WHEN...through 5 AM MST Tuesday. The heaviest snowfall is
  expected Sunday morning, and again Monday morning into Monday 
  afternoon.

* IMPACTS...Plan on slippery road conditions. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

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
695 
WWUS45 KPIH 122115
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
215 PM MST Sun Dec 12 2021

IDZ072>075-131100-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211214T1200Z/
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
215 PM MST Sun Dec 12 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 10 to 20 inches 
  below about 7,000 feet. Winds will gust as high as 20 MPH in 
  the valleys and basins and 40 MPH at peaks and ridgelines. 
  Additional snow accumulations are also likely in the Tuesday 
  to Wednesday time period, and warnings or advisories may be 
  extended.

* WHERE...Copper Basin, The Big Lost Highlands, The Sawtooth, 
  Boulder, and Pioneer Mountains, Stanley Basin, and Wood River 
  Valley, including but not limited to Banner Summit, Stanley, 
  Galena Summit, Sun Valley, Ketchum, Hailey, and Picabo.

* WHEN...Through 5 AM MST Tuesday. The heaviest snowfall is 
  expected early Sunday morning, and again Monday morning.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ066-131100-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211214T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
215 PM MST Sun Dec 12 2021

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

* WHAT...Heavy snow expected. Total three day snow accumulations 
  of 2 to 3 feet above about 7,000 feet, and 8 to 16 inches 
  below about 7,000 feet. Locally higher amounts are possible. 
  Winds will gust as high as 30 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...Through 5 AM MST Tuesday. The heaviest snowfall is 
  expected Sunday morning, and again Monday morning into Monday 
  afternoon. The strongest winds are expected Sunday afternoon.

* IMPACTS...Travel could be very difficult to impossible. In 
  addition to heavy falling snow, areas of blowing snow will 
  also be possible. Commutes will likely be impacted.

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.

&&

$$

IDZ069-071-131100-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
Lost River Range-Frank Church Wilderness-
Including the cities of Borah Peak and Clayton
215 PM MST Sun Dec 12 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 12 inches, with locally higher amounts near peaks and 
  ridgelines. Winds will gust as high as 35 MPH. Additional snow 
  accumulations are also likely in the Tuesday to Wednesday time 
  period, and warnings or advisories may be extended.

* WHERE...The Lost River Range and Frank Church Wilderness, 
  including Clayton.

* WHEN...Through 5 AM MST Tuesday. The heaviest snowfall is 
  expected early Sunday morning, and again Monday morning.

* IMPACTS...Travel could be difficult. In addition to falling 
  snow, areas of blowing snow will also be possible. Commutes 
  will likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-064-067-068-131100-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Beaverhead - Lemhi Highlands-Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, and Chilly
215 PM MST Sun Dec 12 2021

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

* WHAT...Snow expected. Total three day snow accumulations of 4 
  to 10 inches, except lower totals of 2 to 4 inches across 
  southern Lincoln County including Shoshone, and east of Arco 
  including most of the Arco Desert and Mud Lake region. Winds 
  will gust as high as 35 MPH. Additional snow accumulations are 
  also likely in the Tuesday to Wednesday time period, and 
  warnings or advisories may be extended.

* WHERE...The Shoshone Lava Beds, Lost River Valleys, Arco 
  Desert, Big Hole Mountains, and much of Clark County, 
  including but not limited to Shoshone, Carey, Tom Cat Summit, 
  Willow Creek Summit, Mackay, Arco, Idaho National Laboratory, 
  Telegraph Hill, Mud Lake, Dubois, Monida Pass, and Pine Creek 
  Pass.

* WHEN...Through 5 AM MST Tuesday. The heaviest snowfall is 
  expected Sunday morning, and again Monday morning into Monday 
  afternoon.

* IMPACTS...Plan on slippery road conditions. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

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

MacKay
500 
WWUS45 KPIH 131001
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
301 AM MST Mon Dec 13 2021

IDZ067-069-132200-
/O.UPG.KPIH.WW.Y.0018.000000T0000Z-211214T1200Z/
/O.EXB.KPIH.WS.W.0008.000000T0000Z-211214T1800Z/
Beaverhead - Lemhi Highlands-Lost River Range-
Including the cities of Dubois, Spencer, Edie School, Small, 
and Borah Peak
301 AM MST Mon Dec 13 2021

...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST TUESDAY...

* WHAT...Snow, heavy at times. Additional snow accumulations of 8
  to 18 inches above 6000 feet through Tuesday morning.

* WHERE...Lost River and Beaverhead Ranges, including Interstate
  15 at the Montana state line.

* WHEN...Until 11 AM MST Tuesday.

* IMPACTS...Plan on difficult road conditions at times with areas
  of blowing snow. Commutes will likely be impacted.

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.

&&

$$

IDZ072>075-132200-
/O.EXT.KPIH.WS.W.0008.000000T0000Z-211214T1800Z/
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Stanley, Ketchum, Sun Valley, Galena, 
Copper Basin, Hailey, Bellevue, and Picabo
301 AM MST Mon Dec 13 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST TUESDAY...

* WHAT...Snow, heavy at times. Additional snow accumulations of 12
  to 24 inches above 6000 feet through Tuesday morning and upwards
  of 4 to 8 inches in the lower mountain-valley locations. Periods
  of strong gusty winds with blowing snow.

* WHERE...Sawtooth region, including Stanley, Ketchum, and Sun
  Valley.

* WHEN...Until 11 AM MST Tuesday.

* IMPACTS...Travel could be very difficult to impossible at times.
  In addition to heavy snow, areas of blowing snow will also be
  possible, especially over mountain passes where whiteout
  conditions may develop. Commutes will likely be impacted.

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.

&&

$$

IDZ066-132200-
/O.EXT.KPIH.WS.W.0008.000000T0000Z-211214T1800Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
301 AM MST Mon Dec 13 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST TUESDAY...

* WHAT...Snow, heavy at times. Additional snow accumulations of 8
  to 18 inches anticipated above 6000 feet through Tuesday morning
  and upwards of 4 to 8 inches below 6000 feet. Periods of strong
  gusty winds with blowing snow. 

* WHERE...Centennial mountains, including Island Park and nearby
  mountain passes.

* WHEN...Until 11 AM MST Tuesday.

* IMPACTS...Travel could be very difficult to impossible at times.
  In addition to heavy snow, areas of blowing snow will also be 
  possible. Commutes will likely be impacted.

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.

&&

$$

IDZ071-132200-
/O.EXT.KPIH.WW.Y.0018.000000T0000Z-211214T1800Z/
Frank Church Wilderness-
Including the city of Clayton
301 AM MST Mon Dec 13 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST
TUESDAY...

* WHAT...Snow expected. Additional snow accumulations of 4 to 11
  inches above 6500 feet with 1 to 3 inches possible in the lower
  mountain-valleys. 

* WHERE...Frank Church region, including Clayton.

* WHEN...Until 11 AM MST Tuesday.

* IMPACTS...Travel could be difficult at times. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-064-068-132200-
/O.EXT.KPIH.WW.Y.0018.000000T0000Z-211214T1800Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Big Hole Mountains-
Lost River Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Victor, Howe, Arco, Mackay, 
and Chilly
301 AM MST Mon Dec 13 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST
TUESDAY...

* WHAT...Snow expected. Additional snow accumulations of 2 to 6
  inches possible along the foot hills and valleys leading into
  the central mountains and across the Big Hole Mountains. Periods
  of gusty winds with blowing snow. 

* WHERE...Primarily the highway 20 corridor, including Carey,
  Arco, and Howe as well as Pine Creek Pass west of Victor.

* WHEN...Until 11 AM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. In addition to 
  falling snow, areas of blowing snow will also be possible. 
  Commutes will likely be impacted.

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
512 
WWUS45 KPIH 132135
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
235 PM MST Mon Dec 13 2021

IDZ060-141200-
/O.EXB.KPIH.WS.W.0008.211214T1200Z-211215T1200Z/
Bear River Range-
Including the city of Emigration Summit
235 PM MST Mon Dec 13 2021

...WINTER STORM WARNING IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...

* WHAT...Tuesday morning, strong south to southwest winds of 10 to
  20 MPH, with gusts of 25 to 35 MPH, are expected. Tuesday 
  afternoon and Tuesday night, heavy snow is expected with 
  accumulations of 6 to 12 inches, along with southwest winds of 
  20 to 30 MPH with gusts up to 50 MPH, diminishing overnight.

* WHERE...The Bear River Range, including but not limited to
  Emigration Summit.

* WHEN...From 5 AM Tuesday to 5 AM Wednesday. While winds will be
  strong all day Tuesday, the heaviest snow will likely arrive
  after 1 PM.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow, especially Tuesday afternoon and Tuesday night. 
  Strong winds may also result in difficult driving for high 
  profile vehicles. The Tuesday evening commute could be 
  significantly impacted.

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.

&&

$$

IDZ067-069-072>075-141200-
/O.EXT.KPIH.WS.W.0008.000000T0000Z-211215T0400Z/
Beaverhead - Lemhi Highlands-Lost River Range-
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Dubois, Spencer, Edie School, Small, 
Borah Peak, Stanley, Ketchum, Sun Valley, Galena, Copper Basin, 
Hailey, Bellevue, and Picabo
235 PM MST Mon Dec 13 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MST TUESDAY...

* WHAT...Heavy snow. Additional snow accumulations 1 to 2 feet
  above about 7,000 feet, and 3 to 8 inches below about 7,000 
  feet. Winds will gust as high as 25 MPH in the valleys and 45 
  MPH near peaks and ridges.

* WHERE...The Sawtooth, Boulder, and Pioneer Mountains, Stanley
  Basin, Wood River Valley, Lost River Range, and Beaverhead Lemhi
  Highlands, including but not limited to Banner Summit, Stanley,
  Galena Summit, Ketchum, Sun Valley, Hailey, Bellevue, Picabo,
  Dubois, and Monida Pass.

* WHEN...Until 9 PM MST Tuesday.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow. Morning and evening commutes through Tuesday
  evening will likely be significantly impacted.

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.

&&

$$

IDZ066-141200-
/O.EXT.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
235 PM MST Mon Dec 13 2021

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

* WHAT...Heavy snow. Additional snow accumulations of 7 to 14
  inches, with locally higher amounts approaching 2 feet above
  about 7,000 feet. Winds will gust as high as 40 MPH.

* WHERE...The Centennial Mountains and Island Park region,
  including but not limited to Raynolds Pass, Targhee Pass, Island
  Park, and Ashton Hill.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow. Morning and evening commutes through Tuesday
  evening will likely be significantly impacted.

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.

&&

$$

IDZ053>059-061>063-065-141200-
/O.EXB.KPIH.WW.Y.0018.211214T1200Z-211215T1200Z/
Upper Snake River Plain-Lower Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Bear Lake Valley-
Blackfoot Mountains-Caribou Range-Teton Valley-
Including the cities of Idaho Falls, Rexburg, St. Anthony, 
Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley,
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, St. Charles, Montpelier, Georgetown, Grace, 
Soda Springs, Henry, Bone, Wayan, Swan Valley, Ashton, Tetonia, 
and Driggs
235 PM MST Mon Dec 13 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM
MST WEDNESDAY...

* WHAT...Tuesday morning, south to southwest winds of 15 to 30
  MPH, gusting to 45 MPH, are expected along with light rain and
  snow showers. Tuesday afternoon and evening, a strong cold front
  will result in a rapid drop in temperatures, possible flash
  freeze on roadways, and snow accumulations of 1 to 4 inches the
  the Snake Plain and valleys, and 4 to 9 inches above about 5,500
  feet. Afternoon winds will increase to west-southwest at 20 to 
  40 MPH with gusts to 55 MPH.

* WHERE...The eastern Magic Valley, Snake Plain, Teton Valley, and
  southern and eastern highlands, including but not limited to
  Burley, Sweetzer Summit, Holbrook Summit, Aberdeen, American
  Falls, Pocatello, Chubbuck, Fort Hall, Blackfoot, Idaho Falls,
  Rigby, Rexburg, Driggs, Malad Pass, Lava Hot Springs, Fish 
  Creek Summit, Soda Springs, Georgetown Summit, Montpelier, and 
  Border Summit.

* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday. While winds will
  be strong all day Tuesday, the heaviest snow will likely arrive
  after 1 PM, except after 3 PM in the Snake Plain where
  precipitation may begin as rain.

* IMPACTS...Plan on slick travel conditions due to a possible
  flash freeze as well as falling and blowing snow, especially
  Tuesday afternoon and Tuesday evening. Strong winds may also 
  result in difficult driving for high profile vehicles. The 
  Tuesday evening commute could be significantly impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ051-052-068-071-141200-
/O.EXT.KPIH.WW.Y.0018.000000T0000Z-211215T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lost River Valley-
Frank Church Wilderness-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Howe, Arco, Mackay, Chilly, 
and Clayton
235 PM MST Mon Dec 13 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MST TUESDAY...

* WHAT...Moderate snow. Additional snow accumulations of 2 to 6
  inches, with the highest amounts in the valleys along the
  southern and eastern Central Mountains, and lowest amounts over
  the Arco Desert and Shoshone area. Winds will gust as high as 40
  MPH.

* WHERE...The Shoshone Lava Beds, Craters of the Moon, Lost River
  Valleys, Arco Desert, and Mud Lake area, including but not
  limited to Shoshone, Carey, Tom Cat Summit, Willow Creek 
  Summit, Mackay, Arco, Idaho National Laboratory, and Telegraph 
  Hill.

* WHEN...Until 9 PM MST Tuesday.

* IMPACTS...Plan on slick travel conditions due to falling and
  blowing snow. Morning and evening commutes through Tuesday
  evening will likely be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ064-141200-
/O.EXT.KPIH.WW.Y.0018.000000T0000Z-211215T1200Z/
Big Hole Mountains-
Including the city of Victor
235 PM MST Mon Dec 13 2021

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

* WHAT...Moderate snow. Additional snow accumulations of 3 to 5
  inches, with locally higher amounts approaching 1 foot in the
  highest terrain above pass level. Winds will gust as high as 40
  MPH.

* WHERE...The Big Hole Mountains, including but not limited to
  Pine Creek Pass and Victor.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slick travel conditions due to falling and
  blowing snow. Morning and evening commutes through Tuesday
  evening will likely be impacted.

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

KSmith
154 
WWUS45 KPIH 140929
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
229 AM MST Tue Dec 14 2021

IDZ067-069-072>075-142200-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T0400Z/
Beaverhead - Lemhi Highlands-Lost River Range-
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Dubois, Spencer, Edie School, Small, 
Borah Peak, Stanley, Ketchum, Sun Valley, Galena, Copper Basin, 
Hailey, Bellevue, and Picabo
229 AM MST Tue Dec 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* WHAT...Snow, heavy at times. Additional snow accumulations of 7
  to 13 inches above 6000 feet with 2 to 6 inches below 6000 feet.
  Wind gusts to 45 MPH across mountain peaks and passes.

* WHERE...The Sawtooth, Boulder, and Pioneer Mountains, Stanley 
  Basin, Wood River Valley, Lost River Range, and Beaverhead 
  Lemhi Highlands, including but not limited to Banner Summit, 
  Stanley, Galena Summit, Ketchum, Sun Valley, Hailey, Bellevue, 
  Picabo, Dubois, and Monida Pass.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow. Morning and evening commutes may be significantly
  impacted.

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.

&&

$$

IDZ066-142200-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
229 AM MST Tue Dec 14 2021

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

* WHAT...Snow, heavy at times. Additional snow accumulations of 7
  to 14 inches above 6000 feet with 2 to 6 inches below 6000 feet.
  Winds gusting to 40 MPH at times.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow. Morning and evening commutes may be significantly
  impacted.

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.

&&

$$

IDZ060-142200-
/O.CON.KPIH.WS.W.0008.211214T1200Z-211215T1200Z/
Bear River Range-
Including the city of Emigration Summit
229 AM MST Tue Dec 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST WEDNESDAY...

* WHAT...Today, strong south winds gusting to 40 MPH at times.
  Tonight, heavy snow at times with accumulations of 8 to 12 
  inches.

* WHERE...The Bear River Range, including but not limited to 
  Emigration Summit.

* WHEN...From 5 AM this morning to 5 AM Wednesday. While winds
  will be strong all day today, the heaviest snow will likely 
  arrive after 5 PM this evening.

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow tonight. Strong winds may result in difficult
  driving for high profile vehicles. The evening commute may be 
  significantly impacted.

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.

&&

$$

IDZ051-052-068-071-142200-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211215T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lost River Valley-
Frank Church Wilderness-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Howe, Arco, Mackay, Chilly, 
and Clayton
229 AM MST Tue Dec 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* WHAT...Moderate snow at times. Additional snow accumulations of
  1 to 4 inches, particularly along Highway 20 from Carey to Howe
  and the interior regions of the central mountains. Winds will 
  gust as high as 40 MPH at times.

* WHERE...The Shoshone Lava Beds, Craters of the Moon, Lost 
  River Valleys, Arco Desert, and Mud Lake area, including but 
  not limited to Shoshone, Carey, Tom Cat Summit, Willow Creek 
  Summit, Mackay, Arco, Idaho National Laboratory, and Telegraph 
  Hill.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Plan on slick travel conditions due to falling and
  blowing snow. Morning and evening commutes may be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ064-142200-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211215T1200Z/
Big Hole Mountains-
Including the city of Victor
229 AM MST Tue Dec 14 2021

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

* WHAT...Moderate snow, particularly tonight. Additional snow 
  accumulations of 5 to 10 inches. Winds will gust to 30 MPH at 
  times.

* WHERE...The Big Hole Mountains, including but not limited to 
  Pine Creek Pass and Victor.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Plan on slick travel conditions due to falling and
  blowing snow. Morning and evening commutes may be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ053>059-061>063-065-142200-
/O.CON.KPIH.WW.Y.0018.211214T1200Z-211215T1200Z/
Upper Snake River Plain-Lower Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Bear Lake Valley-
Blackfoot Mountains-Caribou Range-Teton Valley-
Including the cities of Idaho Falls, Rexburg, St. Anthony, 
Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley,
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, St. Charles, Montpelier, Georgetown, Grace, 
Soda Springs, Henry, Bone, Wayan, Swan Valley, Ashton, Tetonia, 
and Driggs
229 AM MST Tue Dec 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST WEDNESDAY...

* WHAT...Today, gusty south winds of 35 to 45 MPH. This afternoon,
  lower valley rain and mountain snow becoming all snow by early
  evening. Snow accumulations of 1 to 2 inches in the Snake River
  Plain and less than an inch in the Eastern Magic Valley. Upwards
  of 4 to 9 inches across the southern and eastern mountains and
  passes with 2 to 4 inches in the lower mountain-valley
  locations. 

* WHERE...The eastern Magic Valley, Snake Plain, Teton Valley, 
  and southern and eastern highlands, including but not limited 
  to Burley, Sweetzer Summit, Holbrook Summit, Aberdeen, 
  American Falls, Pocatello, Chubbuck, Fort Hall, Blackfoot, 
  Idaho Falls, Rigby, Rexburg, Driggs, Malad Pass, Lava Hot 
  Springs, Fish Creek Summit, Soda Springs, Georgetown Summit, 
  Montpelier, and Border Summit.

* WHEN...From 5 AM this morning to 5 AM MST Wednesday.

* IMPACTS...Plan on slick travel conditions due to a possible
  flash freeze as well as falling and blowing snow, especially
  this evening. Strong winds may also result in difficult driving
  for high profile vehicles. The evening commute may be 
  significantly impacted.

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
168 
WWUS45 KPIH 142127
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
227 PM MST Tue Dec 14 2021

IDZ067-069-072>075-150400-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T0400Z/
Beaverhead - Lemhi Highlands-Lost River Range-
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Dubois, Spencer, Edie School, Small, 
Borah Peak, Stanley, Ketchum, Sun Valley, Galena, Copper Basin, 
Hailey, Bellevue, and Picabo
227 PM MST Tue Dec 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* WHAT...Moderate snow. Additional snow accumulations of 1 to 3 
inches.

* WHERE...The Sawtooth, Boulder, and Pioneer Mountains, Stanley 
  Basin, Wood River Valley, Lost River Range, and Beaverhead 
  Lemhi Highlands, including but not limited to Banner Summit, 
  Stanley, Galena Summit, Ketchum, Sun Valley, Hailey, Bellevue, 
  Picabo, Dubois, and Monida Pass.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Travel could be very difficult due to falling and 
  blowing snow. Morning and evening commutes may be 
  significantly impacted.

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.

&&

$$

IDZ066-150530-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
227 PM MST Tue Dec 14 2021

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

* WHAT...Heavy snow. Additional snow accumulations of 3 to 5 
  inches, except 4 to 8 inches on ridge tops and elevations 
  above passes. Winds gusting as high as 35 mph.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Travel could be very difficult due to falling and 
  blowing snow. Morning and evening commutes may be 
  significantly impacted.

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.

&&

$$

IDZ060-150530-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Bear River Range-
Including the city of Emigration Summit
227 PM MST Tue Dec 14 2021

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

* WHAT...Heavy snow. Additional snow accumulations of 3 to 5 
  inches, except 6 to 12 inches on ridge tops and elevations 
  above passes. Winds gusting as high as 50 mph.

* WHERE...The Bear River Range, including but not limited to 
  Emigration Summit.

* WHEN...From 5 AM this morning to 5 AM Wednesday. While winds 
  will be strong all day today, the heaviest snow will likely 
  arrive after 5 PM this evening.

* IMPACTS...Travel could be very difficult due to falling and 
  blowing snow tonight. Strong winds may result in difficult 
  driving for high profile vehicles. The evening commute may be 
  significantly impacted.

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.

&&

$$

IDZ051-052-068-071-150400-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211215T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lost River Valley-
Frank Church Wilderness-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Howe, Arco, Mackay, Chilly, 
and Clayton
227 PM MST Tue Dec 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...The Shoshone Lava Beds, Craters of the Moon, Lost 
  River Valleys, Arco Desert, and Mud Lake area, including but 
  not limited to Shoshone, Carey, Tom Cat Summit, Willow Creek 
  Summit, Mackay, Arco, Idaho National Laboratory, and Telegraph 
  Hill.

* WHEN...Until 9 PM MST this evening.

* IMPACTS...Plan on slick travel conditions due to falling and 
  blowing snow. Morning and evening commutes may be impacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

IDZ053>059-061>065-150530-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211215T1200Z/
Upper Snake River Plain-Lower Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Bear Lake Valley-
Blackfoot Mountains-Caribou Range-Big Hole Mountains-Teton Valley-
Including the cities of Idaho Falls, Rexburg, St. Anthony, 
Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley,
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, St. Charles, Montpelier, Georgetown, Grace, 
Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, Ashton, 
Tetonia, and Driggs
227 PM MST Tue Dec 14 2021

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

* WHAT...Snow. Snow accumulations of 2 to 4 inches, except 4 to 8
  inches on ridge tops and elevations above passes. Winds gusting
  as high as 45 mph.

* WHERE...The eastern Magic Valley, Snake Plain, Teton Valley, 
  and southern and eastern highlands, including but not limited 
  to Burley, Sweetzer Summit, Holbrook Summit, Aberdeen, 
  American Falls, Pocatello, Chubbuck, Fort Hall, Blackfoot, 
  Idaho Falls, Rigby, Rexburg, Driggs, Malad Pass, Lava Hot 
  Springs, Fish Creek Summit, Soda Springs, Georgetown Summit, 
  Montpelier, and Border Summit.

* WHEN...From 5 AM this morning to 5 AM MST Wednesday.

* IMPACTS...Plan on slick travel conditions due to a possible 
  flash freeze as well as falling and blowing snow, especially 
  this evening. Strong winds may also result in difficult 
  driving for high profile vehicles. The evening commute may be 
  significantly impacted.

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
635 
WWUS45 KPIH 150139
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
639 PM MST Tue Dec 14 2021

IDZ067-069-072>075-150245-
/O.CAN.KPIH.WS.W.0008.000000T0000Z-211215T0400Z/
Beaverhead - Lemhi Highlands-Lost River Range-
Sawtooth/Stanley Basin-Sun Valley Region-
Big Lost Highlands/Copper Basin-Wood River Foothills-
Including the cities of Dubois, Spencer, Edie School, Small, 
Borah Peak, Stanley, Ketchum, Sun Valley, Galena, Copper Basin, 
Hailey, Bellevue, and Picabo
639 PM MST Tue Dec 14 2021

...WINTER STORM WARNING IS CANCELLED...

Snow is mostly over for the Central mountains. Roads are still 
hazardous in many locations including Galena Summit. The next 
chance of snow starts Wednesday night with overall light snow
expected Wednesday night through Thursday, around 2 to 4 inches
with higher amounts for the western slopes of the Sawtooths. 

$$

IDZ051-052-068-071-150245-
/O.CAN.KPIH.WW.Y.0018.000000T0000Z-211215T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lost River Valley-
Frank Church Wilderness-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Howe, Arco, Mackay, Chilly, 
and Clayton
639 PM MST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

There is just light snow and breezy winds of around 20 mph
remaining across the area. Monida pass will see up to one inch
of additional snow the next couple of hours. Roads, especially 
I-15 from Spencer to Monida pass, are mostly snow covered. 

$$

IDZ066-151200-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Centennial Mountains - Island Park-
Including the cities of Island Park and Kilgore
639 PM MST Tue Dec 14 2021

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

* WHAT...Heavy snow. Storm total snow accumulations today of 5 to
  10 inches, except 10 to 18 inches on ridge tops and elevations 
  above passes. Winds gusting as high as 30 mph.

* WHERE...The Centennial Mountains and Island Park region, 
  including but not limited to Raynolds Pass, Targhee Pass, 
  Island Park, and Ashton Hill.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Travel could be very difficult due to falling and 
  blowing snow. Morning and evening commutes may be 
  significantly impacted.


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.

&&

$$

IDZ060-151200-
/O.CON.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Bear River Range-
Including the city of Emigration Summit
639 PM MST Tue Dec 14 2021

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

* WHAT...Heavy snow. Total storm snow accumulations today of 5 to
  10 inches, except 10 to 16 inches on ridge tops and elevations 
  above passes. Winds gusting as high as 30 mph.

* WHERE...The Bear River Range, including but not limited to 
  Emigration Summit.

* WHEN...Through 5 am Wednesday. 

* IMPACTS...Travel could be very difficult due to falling and
  blowing snow tonight. 


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.

&&

$$

IDZ053>059-061>065-151200-
/O.CON.KPIH.WW.Y.0018.000000T0000Z-211215T1200Z/
Upper Snake River Plain-Lower Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Bear Lake Valley-
Blackfoot Mountains-Caribou Range-Big Hole Mountains-Teton Valley-
Including the cities of Idaho Falls, Rexburg, St. Anthony, 
Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley,
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, St. Charles, Montpelier, Georgetown, Grace, 
Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, Ashton, 
Tetonia, and Driggs
639 PM MST Tue Dec 14 2021

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

* WHAT...Snow. Total Snow accumulations of 2 to 4 inches in the
  valleys and Snake Plain. Look for 4 to 9 inches on benches and 6
  to 12 inches on ridge tops, and elevations above passes. Winds 
  gusting as high as around 25 mph.

* WHERE...The eastern Magic Valley, Snake Plain, Teton Valley, 
  and southern and eastern highlands, including but not limited 
  to Burley, Sweetzer Summit, Holbrook Summit, Aberdeen, 
  American Falls, Pocatello, Chubbuck, Fort Hall, Blackfoot, 
  Idaho Falls, Rigby, Rexburg, Driggs, Malad Pass, Lava Hot 
  Springs, Fish Creek Summit, Soda Springs, Georgetown Summit, 
  Montpelier, and Border Summit.

* WHEN...Through 5 AM MST Wednesday.

* IMPACTS...Plan on slick travel conditions due to falling and 
  blowing snow, especially this evening. 


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
833 
WWUS45 KPIH 151012
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
312 AM MST Wed Dec 15 2021

IDZ060-066-151115-
/O.CAN.KPIH.WS.W.0008.000000T0000Z-211215T1200Z/
Bear River Range-Centennial Mountains - Island Park-
Including the cities of Emigration Summit, Island Park, 
and Kilgore
312 AM MST Wed Dec 15 2021

...WINTER STORM WARNING IS CANCELLED...

The heavy snow has ended but still expect some light snow this
morning with an inch or less expected with continued travel
impacts.  

$$

IDZ053>059-061>065-151115-
/O.CAN.KPIH.WW.Y.0018.000000T0000Z-211215T1200Z/
Upper Snake River Plain-Lower Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Bear Lake Valley-
Blackfoot Mountains-Caribou Range-Big Hole Mountains-Teton Valley-
Including the cities of Idaho Falls, Rexburg, St. Anthony, 
Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley,
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, St. Charles, Montpelier, Georgetown, Grace, 
Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, Ashton, 
Tetonia, and Driggs
312 AM MST Wed Dec 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The heaviest snow has ended but we can still expect some light
snow in the Snake River Plain where locally up to an inch of snow
may fall this morning.

$$

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

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 10, 8:51 AM MSTSpecial Weather StatementPIHBannock24 min
Dec 10, 2:24 PM MSTWinter Weather AdvisoryPIHBannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more5 days

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.