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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Missoula, Missoula International Airport (KMSO)

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

Clear

52°F

11°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Sep 04:35 AM MDT
Extended Forecast for

Missoula MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Rain and thunderstorms likely. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of rain before 1pm, then a chance of rain after 3pm. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 71. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Rain and thunderstorms likely. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain before 1pm, then a chance of rain after 3pm. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 71. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 47. Light and variable wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Missoula MT
 46.89°N 114°W (Elev. 3632 ft)
Last Update:
2:01 am MDT Sep 18, 2026
Forecast Valid:
4am MDT Sep 18, 2026-6pm MDT Sep 24, 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