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

45°F

7°C

Humidity 61%
Wind Speed Vrbl 3 mph
Barometer 29.89 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 Feb 8:35 pm CST
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 18 mph.

    Low: 39 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, then gradually becoming sunny, with a high near 58. Southwest wind 5 to 9 mph becoming calm in the afternoon.

    High: 58 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 37. Calm wind becoming east around 5 mph after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Southeast wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44. Southeast wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 54. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming northwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 47. Northeast wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Northeast wind around 9 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Calm wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Washington's Birthday
Partly sunny, then gradually becoming sunny, with a high near 58. Southwest wind 5 to 9 mph becoming calm in the afternoon.
Monday Night
Increasing clouds, with a low around 37. Calm wind becoming east around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 56. Southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44. Southeast wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 54. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming northwest after midnight.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 47. Northeast wind 5 to 10 mph.
Thursday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Northeast wind around 9 mph becoming northwest after midnight. Chance of precipitation is 50%.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 34. Northwest wind 8 to 11 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 7 mph.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 33. Northwest wind 6 to 9 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 30. Northwest 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:
8:41 pm CST Feb 15, 2026
Forecast Valid:
8pm CST Feb 15, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation