Alert archive / Montana / Wind Chill Advisories in 2021
Wind Chill Advisory 5, NWS Missoula, MT
NWS Missoula, MT issued this wind chill advisory at Dec 28, 2021, 1:40 PM MST for Flathead County, Lake County, Montana. It took effect at Dec 28, 2021, 11:00 PM MST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2021, 1:40 PM MST (20:40 UTC)
- In effect from
- Dec 28, 2021, 11:00 PM MST
- Expired
- Dec 29, 2021, 11:00 AM MST
- In force
- 12 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT
The radar
The Missoula radar (KMSX), 104 km from the middle of the area, began a volume at 20:40 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 8.7 hours before the alert went out and 177 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
563 WWUS45 KMSO 282040 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 140 PM MST Tue Dec 28 2021 MTZ003-291800- /O.NEW.KMSO.WW.Y.0080.211229T0300Z-211229T1800Z/ Flathead/Mission Valleys- 140 PM MST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. Whitefish, Kalispell, Bigfork, and Columbia Falls will experience wind chills of 10 to 20 below zero. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...From 8 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Blowing snow could decrease visibility along Highway 93 and Highway 35. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Lower Clark Fork Region- 140 PM MST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches, 4 to 8 inches on Lookout Pass. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Missoula/Bitterroot Valleys- 140 PM MST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 4 inches. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Bitterroot/Sapphire Mountains- 140 PM MST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of up to 2 to 5 inches. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Northern Clearwater Mountains- 1240 PM PST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Southern Clearwater Mountains- 1240 PM PST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Orofino/Grangeville Region- 1240 PM PST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Orofino, Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. Blowing snow could reduce visibility along Highway 95. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-291800- /O.NEW.KMSO.WW.Y.0080.211229T0600Z-211229T1800Z/ Lower Hells Canyon/Salmon River Region- 1240 PM PST Tue Dec 28 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. Blowing snow could reduce visibility along Highway 95. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-291800- /O.NEW.KMSO.WC.Y.0005.211229T0600Z-211229T1800Z/ West Glacier Region- 140 PM MST Tue Dec 28 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 30 below zero. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
2 follow-up statements
030 WWUS45 KMSO 291046 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 346 AM MST Wed Dec 29 2021 MTZ003-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Flathead/Mission Valleys- 346 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 1 to 2 inches are expected in the Mission Valley through early afternoon. Light to moderate snow has fallen most of the night, so a slick morning commute can be expected. Whitefish, Kalispell, Bigfork, and Columbia Falls will experience wind chills of 10 to 20 below zero. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...From 8 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Blowing snow could decrease visibility along Highway 93 and Highway 35. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Lower Clark Fork Region- 346 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 1 to 2 inches, 2 to 3 inches on Lookout Pass is expected through early afternoon. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Missoula/Bitterroot Valleys- 346 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 1 to 2 inches are expected through early afternoon. Light to moderate snow has fallen most of the night, so expect a slick morning commute. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Bitterroot/Sapphire Mountains- 346 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of up to 2 inches. Expected * WHERE...Bitterroot/Sapphire Mountains. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Northern Clearwater Mountains- 246 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 2 to 3 inches through early afternoon. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Southern Clearwater Mountains- 246 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 2 to 3 inches through early afternoon. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Orofino/Grangeville Region- 246 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of 1 to 2 inches expected. * WHERE...Orofino, Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. Blowing snow could reduce visibility along Highway 95. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Lower Hells Canyon/Salmon River Region- 246 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of around 1 inch expected. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be affected. Blowing snow could reduce visibility along Highway 95. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-291800- /O.CON.KMSO.WC.Y.0005.000000T0000Z-211229T1800Z/ West Glacier Region- 346 AM MST Wed Dec 29 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Very cold wind chills expected. Wind chills as low as 30 below zero. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
257 WWUS45 KMSO 291515 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 815 AM MST Wed Dec 29 2021 MTZ007-043-291800- /O.EXA.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Butte/Blackfoot Region-Potomac/Seeley Lake Region- 815 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, MacDonald Pass, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Flathead/Mission Valleys- 815 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Lower Clark Fork Region- 815 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Missoula/Bitterroot Valleys- 815 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Bitterroot/Sapphire Mountains- 815 AM MST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Northern Clearwater Mountains- 715 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Southern Clearwater Mountains- 715 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be affected. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Orofino/Grangeville Region- 715 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-291800- /O.CON.KMSO.WW.Y.0080.000000T0000Z-211229T1800Z/ Lower Hells Canyon/Salmon River Region- 715 AM PST Wed Dec 29 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-291800- /O.CON.KMSO.WC.Y.0005.000000T0000Z-211229T1800Z/ West Glacier Region- 815 AM MST Wed Dec 29 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 40 below zero. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 11 AM MST this morning. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 1:40 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 21 hr |
Nearby
Wind Chill Advisories in Montana, 2021Every wind chill advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.