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

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

81°F

27°C

Humidity 84%
Wind Speed S 8 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Aug 4:35 pm CDT
Extended Forecast for

Spring Grove MN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 6 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South wind around 6 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 86. Heat index values as high as 97. Southeast wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind around 8 mph becoming southwest in the afternoon.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 6 mph becoming north after midnight.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77. North wind around 6 mph.

    High: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 6 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South wind around 6 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 86. Heat index values as high as 97. Southeast wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind around 8 mph becoming southwest in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 6 mph becoming north after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77. North wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 63. Northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 77. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 59. Light east wind.
Thursday
Sunny, with a high near 79. Light and variable wind.
Thursday Night
Mostly clear, with a low around 60. Light south wind.
Friday
Mostly sunny, with a high near 80. Southwest wind around 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:
4:29 pm CDT Aug 15, 2025
Forecast Valid:
4pm CDT Aug 15, 2025-6pm CDT Aug 22, 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