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

61°F

16°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.08 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 8:55 pm CDT
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South wind 5 to 8 mph becoming light and variable.

    Low: 50 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Calm wind becoming south around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. South wind 7 to 15 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South wind 5 to 8 mph becoming light and variable.
Sunday
Sunny, with a high near 65. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 66. Calm wind.
Monday Night
Mostly clear, with a low around 48. Calm wind becoming south around 5 mph after midnight.
Tuesday
Sunny, with a high near 70. South wind 7 to 15 mph.
Tuesday Night
Mostly clear, with a low around 53. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind.
Thursday
Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. Calm wind.
Friday
Mostly sunny, with a high near 69. Light south wind.
Friday Night
Partly cloudy, with a low around 53. Calm wind becoming south around 6 mph in the evening.
Saturday
Sunny, with a high near 74. Breezy, with a south wind 8 to 17 mph, with gusts as high as 25 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:
5:41 pm CDT Oct 3, 2026
Forecast Valid:
9pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation