National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

50°F

10°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 29.5 in (998.99 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 22 Apr 12:55 AM MDT
Extended Forecast for

12 Miles E Corvallis MT

Winter Weather Advisory April 22, 06:00pm until April 24, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 32. South wind around 8 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 3pm. The snow could be heavy at times. Some thunder is also possible. Temperature falling to around 28 by 5pm. South southeast wind 8 to 16 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F⇓

    Rain/Snow
    then Heavy
    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 2am. The snow could be heavy at times. Low around 22. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 22 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely before noon, then snow showers after noon. The snow could be heavy at times. Some thunder is also possible. High near 26. West wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 26 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow. Low around 17. West northwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 17 °F

    Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: A chance of snow, mainly after noon. Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 32. South wind around 8 mph.
Wednesday
Rain and snow, becoming all snow after 3pm. The snow could be heavy at times. Some thunder is also possible. Temperature falling to around 28 by 5pm. South southeast wind 8 to 16 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow, mainly before 2am. The snow could be heavy at times. Low around 22. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow likely before noon, then snow showers after noon. The snow could be heavy at times. Some thunder is also possible. High near 26. West wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow. Low around 17. West northwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow, mainly after noon. Partly sunny, with a high near 27.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow, mainly after noon. Partly sunny, with a high near 31.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Partly sunny, with a high near 35.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 21.
Tuesday
A chance of snow. Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Corvallis MT
 46.29°N 113.84°W (Elev. 7999 ft)
Last Update:
12:22 am MDT Apr 22, 2026
Forecast Valid:
1am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation