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.

Mostly Cloudy

73°F

23°C

Humidity 65%
Wind Speed S 9 G 20 mph
Barometer 30.07 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 25 Aug 12:35 pm CDT
Extended Forecast for

Decorah IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. South wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 3 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light west wind becoming northwest 8 to 13 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. South wind 8 to 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 62. South wind 3 to 8 mph.
Wednesday
Sunny, with a high near 82. Light west wind becoming northwest 8 to 13 mph in the morning.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 82. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. South wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 5 to 7 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:
12:21 pm CDT Aug 25, 2026
Forecast Valid:
12pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
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Additional Resources

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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