Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Missoula, Missoula International Airport (KMSO)

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

Mostly Cloudy

27°F

-3°C

Humidity 86%
Wind Speed NNW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 15 Mar 12:05 AM MDT
Extended Forecast for

Bonner MT

  • Overnight

    Overnight: A 20 percent chance of snow before 1am.  Partly cloudy, with a low around 17. Light northwest wind.

    Low: 17 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Calm wind becoming west northwest around 5 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly after 10pm.  Increasing clouds, with a low around 30. Light west northwest wind.  New snow accumulation of around an inch possible.

    Low: 30 °F

    Chance Snow

  • Monday

    Monday: Rain and snow, becoming all rain after noon.  Snow level 3500 feet rising to 6900 feet in the afternoon. High near 51. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    then Rain
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 44. West southwest wind around 7 mph.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before noon.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 1am. Partly cloudy, with a low around 17. Light northwest wind.
Sunday
Mostly sunny, with a high near 39. Calm wind becoming west northwest around 5 mph.
Sunday Night
A 50 percent chance of snow, mainly after 10pm. Increasing clouds, with a low around 30. Light west northwest wind. New snow accumulation of around an inch possible.
Monday
Rain and snow, becoming all rain after noon. Snow level 3500 feet rising to 6900 feet in the afternoon. High near 51. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 44. West southwest wind around 7 mph.
Tuesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 58.
Tuesday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain, mainly before noon. Mostly cloudy, with a high near 60.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Partly sunny, with a high near 65.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Partly sunny, with a high near 68.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Saturday
A slight chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Bonner MT
 46.86°N 113.87°W (Elev. 3323 ft)
12:22 am MDT Mar 15, 2026
12am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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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