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

3°F

-16°C

Humidity 78%
Wind Speed Calm
Barometer 30.34 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 7 Dec 7:35 pm CST
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: A chance of flurries after 3am. Increasing clouds, with a temperature falling to near -3 by 10pm, then rising to around 7 during the remainder of the night. Calm wind.

    Low: -3 °F⇑

    Chance
    Flurries

  • Monday

    Monday: A chance of flurries before noon. Mostly cloudy, with a high near 20. Light south wind increasing to 5 to 10 mph in the morning.

    High: 20 °F

    Chance
    Flurries

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 27 by 5am. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 38. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 9pm, then rain likely between 9pm and 3am, then a chance of snow after 3am. Cloudy, with a low around 22. Blustery, with a south wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 22 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 29 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 6. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny, with a high near 19. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0. Northwest wind 6 to 9 mph.

    Low: 0 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of flurries after 3am. Increasing clouds, with a temperature falling to near -3 by 10pm, then rising to around 7 during the remainder of the night. Calm wind.
Monday
A chance of flurries before noon. Mostly cloudy, with a high near 20. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a temperature rising to around 27 by 5am. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 38. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow likely before 9pm, then rain likely between 9pm and 3am, then a chance of snow after 3am. Cloudy, with a low around 22. Blustery, with a south wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 6. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 19. Calm wind becoming northwest 5 to 7 mph in the morning.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0. Northwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 9. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around -8. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny and cold, with a high near 4. Northwest wind around 8 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -7. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 11. Southwest wind 5 to 7 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:
7:41 pm CST Dec 7, 2025
Forecast Valid:
8pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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