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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

Lat: 48.30417°NLon: 114.26361°WElev: 2972.0ft.

Clear

73°F

23°C

Humidity 40%
Wind Speed SSW 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Sep 04:35 PM MDT
Extended Forecast for

Columbia Falls MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain after noon. Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before noon. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. Calm wind.
Thursday
Mostly sunny, with a high near 76. Calm wind.
Thursday Night
Partly cloudy, with a low around 50. Light and variable wind.
Friday
A 30 percent chance of rain after noon. Partly sunny, with a high near 72.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain before noon. Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Columbia Falls MT
 48.38°N 114.19°W (Elev. 3048 ft)
Last Update:
2:01 pm MDT Sep 22, 2026
Forecast Valid:
4pm MDT Sep 22, 2026-6pm MDT Sep 29, 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