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

Missoula, Missoula International Airport (KMSO)

Lat: 46.92083°NLon: 114.0925°WElev: 3199.0ft.

Clear

50°F

10°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 Apr 03:53 AM MDT
Extended Forecast for

8 Miles S Bonner MT

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

  • Today

    Today: Rain showers likely before noon, then rain and snow showers between noon and 3pm, then snow after 3pm. Some thunder is also possible. Temperature falling to around 36 by 5pm. South wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F⇓

    Showers
    Likely then
    Rain/Snow

  • Tonight

    Tonight: Snow, mainly before 3am. The snow could be heavy at times. Low around 29. West southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Heavy Snow

  • Thursday

    Thursday: Snow before noon, then snow showers after noon. Some thunder is also possible. High near 34. West wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 25. West northwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 25 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 33. North northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow. Partly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Rain showers likely before noon, then rain and snow showers between noon and 3pm, then snow after 3pm. Some thunder is also possible. Temperature falling to around 36 by 5pm. South wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Snow, mainly before 3am. The snow could be heavy at times. Low around 29. West southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow before noon, then snow showers after noon. Some thunder is also possible. High near 34. West wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. Low around 25. West northwest wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 33. North northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A slight chance of snow. Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A slight chance of snow. Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Bonner MT
 46.76°N 113.88°W (Elev. 6102 ft)
Last Update:
2:01 am MDT Apr 22, 2026
Forecast Valid:
4am 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