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

12°F

-11°C

Humidity 92%
Wind Speed N 15 mph
Barometer 30.12 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 7 Dec 6:35 am CST
Extended Forecast for

Decorah IA

  • Today

    Today: Sunny, with a temperature falling to around 6 by 8am. Wind chill values as low as -6. North wind 8 to 13 mph becoming light in the afternoon.

    High: 14 °F⇓

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 7 during the remainder of the night. Calm wind.

    Low: -1 °F⇑

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 25 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 14 °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 18 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 likely before 3am, then a chance of snow. Mostly cloudy, with a low around 23. Blustery, with a south wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain Likely
    then Chance
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 31 °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 9. Northwest wind 3 to 7 mph.

    Low: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 20. North wind 5 to 8 mph.

    High: 20 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a temperature falling to around 6 by 8am. Wind chill values as low as -6. North wind 8 to 13 mph becoming light in the afternoon.
Tonight
Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 7 during the remainder of the night. Calm wind.
Monday
Mostly cloudy, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 14. South wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 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 18 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Rain likely before 3am, then a chance of snow. Mostly cloudy, with a low around 23. Blustery, with a south wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 9. Northwest wind 3 to 7 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 20. North wind 5 to 8 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -2. Northwest wind 7 to 10 mph.
Friday
Partly sunny, with a high near 7. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around -8. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 6. Northwest wind around 8 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:
6:01 am CST Dec 7, 2025
Forecast Valid:
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation