Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

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

Overcast

53°F

12°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 31 Aug 12:55 AM MDT
Extended Forecast for

4 Miles ENE Bigfork MT

  • Overnight

    Overnight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Calm wind.

    High: 75 °F

    Sunny

  • Monday Night

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

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm.  Mostly cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely before noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of rain.  Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 45. Calm wind.
Monday
Sunny, with a high near 75. Calm wind.
Monday Night
Mostly clear, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 84. Calm wind.
Tuesday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.
Wednesday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 66.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Saturday
A slight chance of rain. Mostly sunny, with a high near 76.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Bigfork MT
 48.08°N 113.97°W (Elev. 3107 ft)
12:22 am MDT Aug 31, 2026
1am MDT Aug 31, 2026-6pm MDT Sep 6, 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