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.

A Few Clouds

54°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 5:15 am CDT
Extended Forecast for

Spring Grove MN

  • Today

    Today: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 8 mph.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. South wind around 8 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Light and variable wind. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. Light and variable wind.
Tonight
Partly cloudy, with a low around 63. Calm wind becoming south 5 to 7 mph in the evening.
Saturday
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 8 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. South wind around 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 86. Light and variable wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light southeast wind.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 86. South wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Grove MN
 43.56°N 91.63°W
Last Update:
5:27 am CDT Aug 28, 2026
Forecast Valid:
5am CDT Aug 28, 2026-6pm CDT Sep 3, 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