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

64°F

18°C

Humidity 94%
Wind Speed Vrbl 7 mph
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 29 Aug 7:35 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. High near 80. South wind 6 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers then
    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Southwest wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Southwest wind around 8 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Light southwest wind.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 88. Light southwest wind. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. High near 80. South wind 6 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 68. South wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 86. Southwest wind 7 to 9 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Southwest wind around 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Light southwest wind.
Tuesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 88. Light southwest wind. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. Light and variable wind.
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. Mostly sunny, with a high near 86. 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 and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
7:36 am CDT Aug 29, 2026
Forecast Valid:
8am CDT Aug 29, 2026-6pm CDT Sep 4, 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