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

63°F

17°C

Humidity 94%
Wind Speed Vrbl 5 mph
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 7:15 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Mostly sunny, with a high near 81. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. South wind 3 to 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 82. Breezy, with a south wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. South wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 81. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 63. South wind 3 to 6 mph.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 82. Breezy, with a south wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. South wind 11 to 15 mph, with gusts as high as 26 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. South wind 6 to 10 mph, with gusts as high as 18 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 86. Southwest wind around 5 mph.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64. Calm wind.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 84. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
6:06 am CDT Aug 26, 2026
Forecast Valid:
7am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation