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.

Fog/Mist

64°F

18°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 6.00 mi
Last update 9 Sep 7:35 pm CDT
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 57. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am. Partly sunny, with a high near 77. Light and variable wind. Chance of precipitation is 10%.

    High: 77 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Light east wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. South wind 5 to 9 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. Southeast wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 87. South wind around 6 mph.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 57. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 77. Light and variable wind. Chance of precipitation is 10%.
Wednesday Night
Partly cloudy, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Light east wind.
Friday
Partly sunny, with a high near 83. South wind 5 to 9 mph.
Friday Night
Mostly cloudy, with a low around 66. Southeast wind around 6 mph.
Saturday
Partly sunny, with a high near 87. South wind around 6 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light southeast wind.
Sunday
Partly sunny, with a high near 85. Southeast wind 3 to 6 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 82. South wind 3 to 7 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the morning.
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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:
6:13 pm CDT Sep 9, 2025
Forecast Valid:
7pm CDT Sep 9, 2025-6pm CDT Sep 16, 2025
 
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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