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.

Mostly Cloudy

82°F

28°C

Humidity 79%
Wind Speed S 10 G 20 mph
Barometer 29.85 in
Dewpoint 75°F (24°C)
Visibility NA
Heat Index89°F (32°C)
Last update 8 Aug 8:55 pm CDT
Extended Forecast for

Spring Grove MN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 80. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 81. South wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light south wind. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. West wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 62. Calm wind becoming west around 5 mph after midnight.

    Low: 62 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. West wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 24 mph.
Saturday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 80. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 66. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Sunday
A 40 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 81. South wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light south wind. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. West wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 62. Calm wind becoming west around 5 mph after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 61. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 81. Southwest wind 3 to 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 3 to 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind 5 to 7 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind around 6 mph.
Friday
Mostly sunny, with a high near 85. South wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Grove MN
 43.56°N 91.63°W
Last Update:
7:29 pm CDT Aug 8, 2025
Forecast Valid:
9pm CDT Aug 8, 2025-6pm CDT Aug 15, 2025
 
Forecast Discussion
 
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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