Missoula Warnings, Watches and Advisories

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SAFETY MESSAGE

Do not drive vehicles through flooded areas. The water depth and road condition may be unsafe. Additional information is available at https://water.weather.gov/ahps2/ Stay tuned for further updates by listening to NOAA weather radio... or your local radio and TV stations.

Winter Storm Warning

Winter Storm Warning issued May 20 at 1:51PM MDT until May 21 at 12:00PM MDT by NWS Billings MT

* WHAT...Heavy wet snow expected. Total snow accumulations up to 14 inches. * WHERE...Absaroka/Beartooth Mountains. * WHEN...Until noon MDT Tuesday. * IMPACTS...Recreation in the high country will be impacted by heavy wet accumulating snow. Work on the Beartooth Highway will be impacted. * ADDITIONAL DETAILS...The heaviest accumulations will be on north facing slopes above Red Lodge.

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Area
Absaroka/Beartooth Mountains

Winter Storm Warning

Winter Storm Warning issued May 20 at 1:51PM MDT until May 21 at 6:00PM MDT by NWS Billings MT

* WHAT...Heavy snow expected. Total snow accumulations up to 16 inches. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Travel could be difficult on Highway 14 over the Bighorn mountains. Recreation in the high country will be impacted by heavy wet accumulating snow. * ADDITIONAL DETAILS...The heaviest snowfall will be in the higher elevations along the Johnson and Sheridan County line.

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Area
Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains

Flood Watch

Flood Watch issued May 20 at 1:19PM MDT until May 24 at 12:00PM MDT by NWS Great Falls MT

Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of central Montana, including the following area, Little Belt and Highwood Mountains. * WHEN...From Wednesday evening through Friday morning. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Rain, heavy at times, is possible Wednesday into Thursday. Rainfall amounts of 1 to 2 inches are possible. Snow is possible for elevations above 7000 feet. This amount of rainfall, combined with currently saturated ground conditions, could result in flooding of creeks and steams in the Monarch and Neihart areas. - http://www.weather.gov/safety/flood

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Area
Little Belt and Highwood Mountains

Winter Storm Watch

Winter Storm Watch issued May 20 at 1:17PM MDT until May 23 at 12:00PM MDT by NWS Great Falls MT

* WHAT...Heavy wet snow possible. Total snow accumulations of 4 to 12 inches possible, at and above pass level. * WHERE...Elkhorn and Boulder Mountains, Southern Rocky Mountain Front, Northwest Beaverhead County, and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...From Wednesday evening through Thursday morning. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions.

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Area
Southern Rocky Mountain Front; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains

Winter Storm Watch

Winter Storm Watch issued May 20 at 1:17PM MDT until May 23 at 6:00PM MDT by NWS Great Falls MT

* WHAT...Heavy wet snow possible. Total snow accumulations of 6 to 12 inches possible in the Bridger Mountains and at Deep Creek Pass. Less than 6 inches is expected at Bozeman Pass. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Travel could be very difficult.

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Area
Big Belt, Bridger and Castle Mountains

Winter Storm Watch

Winter Storm Watch issued May 20 at 1:17PM MDT until May 23 at 6:00PM MDT by NWS Great Falls MT

* WHAT...Heavy wet snow possible. Total snow accumulations of 4 to 8 inches possible, at pass level. Total snow accumulation of 8 to 16 inches expected on mountain peaks. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Travel could be very difficult.

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Area
Gallatin and Madison County Mountains and Centennial Mountains

Winter Storm Watch

Winter Storm Watch issued May 20 at 10:19AM MDT until May 23 at 12:00PM MDT by NWS Missoula MT

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 9 inches possible. Higher amounts possible above 7000 feet. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From Wednesday evening through Thursday morning. * IMPACTS...Travel could be very difficult to impossible in the high terrain. The potential for sagging or broken branches may cause a few power outages.

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Area
Bitterroot/Sapphire Mountains

Winter Storm Watch

Winter Storm Watch issued May 20 at 10:19AM MDT until May 23 at 12:00PM MDT by NWS Missoula MT

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 9 inches possible. Higher amounts possible above 7000 feet. * WHERE...Homestake Pass, MacDonald Pass, and Georgetown Lake. * WHEN...From Wednesday evening through Thursday morning. * IMPACTS...Travel could be very difficult to impossible in the high terrain. The potential for sagging or broken branches may cause a few power outages.

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Area
Butte/Blackfoot Region
Disclaimer

Currently

Light Rain 47°F
30.03in
Barometer
74%
Humidity
Southwest 15.0mph
Wind
Light Rain

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