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

Hazardous Weather Conditions

Current conditions at

Windom Municipal Airport (KMWM)

Lat: 43.91°NLon: 95.11°WElev: 1401ft.

Fair

81°F

27°C

Humidity 39%
Wind Speed NW 9 mph
Barometer 30.12 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 2:55 pm CDT
Extended Forecast for

Heron Lake MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 84. Light south wind increasing to 10 to 15 mph in the morning.

    High: 84 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 66 °F

    Mostly Cloudy
    then Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 86 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. North northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 53. North northeast wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 84. Light south wind increasing to 10 to 15 mph in the morning.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 86. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 70. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Heron Lake MN
 43.8°N 95.33°W (Elev. 1430 ft)
Last Update:
1:33 pm CDT Aug 27, 2026
Forecast Valid:
3pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation