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

81°F

27°C

Humidity 74%
Wind Speed Vrbl 5 mph
Barometer 30.11 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 7 Jul 11:15 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 5 to 9 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 3am. Low around 67. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Light east wind.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Southwest wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 68. Light south wind.
Wednesday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 5 to 9 mph.
Wednesday Night
Showers and thunderstorms, mainly before 3am. Low around 67. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 63. Light north wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Light east wind.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. Light east wind.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 65. Light south wind.
Sunday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Southwest wind 3 to 8 mph.
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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:
10:41 am CDT Jul 7, 2026
Forecast Valid:
11am CDT Jul 7, 2026-6pm CDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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