Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 May 04:35 AM MDT
Extended Forecast for

8 Miles NNW Bigfork MT

  • Today

    Today: A chance of rain before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Chance Rain
    then Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light east southeast wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A chance of rain before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of rain, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Calm wind.
Thursday
Sunny, with a high near 66. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 43. Light east southeast wind.
Friday
Mostly sunny, with a high near 71. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 50.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Bigfork MT
 48.17°N 114.11°W (Elev. 2976 ft)
2:01 am MDT May 20, 2026
4am MDT May 20, 2026-6pm MDT May 26, 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