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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

66°F

19°C

Humidity 64%
Wind Speed Vrbl 5 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 May 5:55 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Mostly sunny, with a high near 87. South wind around 7 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 9pm and 5am. Increasing clouds, with a low around 62. South wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. East wind around 6 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

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

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. South wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 9pm and 5am. Increasing clouds, with a low around 62. South wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind becoming east 5 to 7 mph after midnight.
Thursday
Sunny, with a high near 80. East wind around 6 mph.
Thursday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Light east wind.
Friday Night
Partly cloudy, with a low around 56. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 79. Calm wind becoming east around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 54. Light and variable wind.
Monday
Sunny, with a high near 81. Calm wind becoming northeast 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:
5:36 am CDT May 26, 2026
Forecast Valid:
6am CDT May 26, 2026-6pm CDT Jun 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation