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.

Overcast

28°F

-2°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.90 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Mar 10:35 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Increasing clouds, with a high near 42. Southwest wind 6 to 8 mph.

    High: 42 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 32. Light and variable wind becoming south around 5 mph.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 49. North wind 3 to 5 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Calm wind becoming southwest around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. Southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 8 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51. North wind 10 to 13 mph.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 42. Southwest wind 6 to 8 mph.
Tonight
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 32. Light and variable wind becoming south around 5 mph.
Thursday
Partly sunny, with a high near 49. North wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 38. Calm wind becoming southwest around 5 mph after midnight.
Friday
Partly sunny, with a high near 65. Southwest wind 6 to 8 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 8 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 51. North wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 25. North wind 5 to 9 mph.
Monday
Partly sunny, with a high near 44. Northeast wind 5 to 8 mph becoming east in the afternoon.
Monday Night
Mostly cloudy, with a low around 29. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 51. Southwest wind 6 to 9 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:
7:57 am CDT Mar 18, 2026
Forecast Valid:
10am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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