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

Areas of Excessive Rainfall and Extreme Heat; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding Tuesday. Hot to extremely hot temperatures are in place through Tuesday across much of the western U.S. and northern New England. Tropical Storm Erin is forecast to become a Major Hurricane by this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

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

Clear

66°F

19°C

Humidity 72%
Wind Speed NNW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Aug 12:35 AM MDT
Extended Forecast for

Columbia Falls MT

  • Overnight

    Overnight: Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Areas of smoke between 2am and 4am. Mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear
    then Areas
    Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light and variable wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 26 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 26 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Areas of smoke between 2am and 4am. Mostly clear, with a low around 58. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Light and variable wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind 6 to 15 mph becoming south southeast after midnight. Winds could gust as high as 26 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A slight chance of rain after noon. Partly sunny, with a high near 76.
Friday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 54.
Saturday
A slight chance of rain. Partly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Columbia Falls MT
 48.37°N 114.22°W (Elev. 3034 ft)
Last Update:
2:30 pm MDT Aug 11, 2025
Forecast Valid:
12am MDT Aug 12, 2025-6pm MDT Aug 18, 2025
 
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