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.

Fair

68°F

20°C

Humidity 64%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 7:55 pm CDT
Extended Forecast for

Waukon IASimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 82. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Northwest wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Monday
Mostly sunny, with a high near 79. Calm wind.
Monday Night
Mostly clear, with a low around 59. Calm wind.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 82. West wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 61. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 81. Northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 81. Calm wind.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61. Light south wind.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southeast wind 5 to 8 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 81. South wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukon IASimilar City Names
 43.27°N 91.47°W
Last Update:
7:41 pm CDT Aug 23, 2026
Forecast Valid:
8pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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