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

N/A

Humidity NA
Wind Speed S 6 mph
Barometer 29.95 in
Dewpoint N/A
Visibility 10.00 mi
Last update 31 Jul 1:35 am CDT
Extended Forecast for

Decorah IA

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Cloudy, with a low around 63. Southeast wind 3 to 5 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 73. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. North wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Northeast wind 3 to 5 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Cloudy, with a low around 63. Southeast wind 3 to 5 mph.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 73. East wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 61. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79. Northeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 79. Light northwest wind.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
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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:
1:26 am CDT Jul 31, 2026
Forecast Valid:
1am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation