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

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

72°F

22°C

Humidity 83%
Wind Speed S 5 mph
Barometer 29.88 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Aug 7:35 pm CDT
Extended Forecast for

Spring Grove MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South wind around 9 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 10am and 2pm. Partly sunny, with a high near 86. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 72. South wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Light southwest wind.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light southeast wind.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 85. Light and variable wind becoming west around 5 mph in the morning.

    High: 85 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. South wind around 9 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms between 10am and 2pm. Partly sunny, with a high near 86. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 72. South wind 5 to 9 mph, with gusts as high as 18 mph.
Monday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Light southwest wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light southeast wind.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 85. Light and variable wind becoming west around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southeast wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 83. Southeast wind 3 to 6 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 83. Southeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Grove MN
 43.56°N 91.66°W
Last Update:
7:41 pm CDT Aug 29, 2026
Forecast Valid:
7pm CDT Aug 29, 2026-6pm CDT Sep 5, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation