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

Fosston, Fosston Municipal Airport (KFSE)

Lat: 47.59°NLon: 95.77°WElev: 1276ft.

Fair with Haze

79°F

26°C

Humidity 39%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Heat Index79°F (26°C)
Last update 2 Sep 5:21 pm CDT
Extended Forecast for

Mahnomen MN

  • Tonight

    Tonight: Mostly clear, with a low around 58. East wind 3 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 84. Southeast wind 9 to 15 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Partly cloudy, with a low around 62. East southeast wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 85. East southeast wind around 5 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East wind 8 to 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southeast wind 11 to 13 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 8 to 13 mph.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 8 to 10 mph becoming northeast in the afternoon.

    High: 81 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 59. North northeast wind 8 to 10 mph becoming southeast after midnight.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 58. East wind 3 to 8 mph.
Thursday
Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 84. Southeast wind 9 to 15 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Partly cloudy, with a low around 62. East southeast wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 85. East southeast wind around 5 mph.
Friday Night
Partly cloudy, with a low around 65. East wind 8 to 11 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southeast wind 11 to 13 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 8 to 13 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 8 to 10 mph becoming northeast in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 59. North northeast wind 8 to 10 mph becoming southeast after midnight.
Labor Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Southeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind around 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West wind 10 to 15 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 71. West wind 10 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahnomen MN
 47.31°N 95.96°W
Last Update:
4:46 pm CDT Sep 2, 2026
Forecast Valid:
5pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
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Additional Resources

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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