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.

Partly Cloudy

N/A

Humidity NA
Wind Speed N 8 mph
Barometer 29.97 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Aug 12:55 pm CDT
Extended Forecast for

Spring Grove MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Northeast wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 3 to 8 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. West wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am, then a chance of showers after 1pm. Partly sunny, with a high near 75. Calm wind. Chance of precipitation is 30%.

    High: 75 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Northeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 59. Light and variable wind.
Monday
Sunny, with a high near 80. South wind 3 to 8 mph.
Monday Night
Increasing clouds, with a low around 62. South wind around 8 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. West wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of thunderstorms before 7am, then a chance of showers after 1pm. Partly sunny, with a high near 75. Calm wind. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Calm wind.
Thursday
Mostly sunny, with a high near 78. Calm wind.
Thursday Night
Partly cloudy, with a low around 58. Light south wind.
Friday
Mostly sunny, with a high near 80. Southwest wind 3 to 6 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southwest wind 3 to 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southwest wind 3 to 6 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:
11:51 am CDT Aug 2, 2026
Forecast Valid:
1pm CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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