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

Fort Atkinson IA

  • Today

    Today: Sunny, with a temperature falling to around 5 by 5pm. Wind chill values as low as -9. North wind 6 to 14 mph.

    High: 13 °F⇓

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 6 during the remainder of the night. Wind chill values as low as -8. North wind around 5 mph becoming calm in the evening.

    Low: -1 °F⇑

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 24. Wind chill values as low as -3. South wind 5 to 13 mph.

    High: 24 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 23 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 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 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 slight chance of snow. Mostly cloudy, with a low around 21. Blustery, with a south wind 14 to 20 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: 21 °F

    Rain/Snow
    Likely and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 30 °F

    Mostly Cloudy
    and Blustery

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 8. Northwest wind 6 to 9 mph.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow. Mostly cloudy, with a high near 18. North wind 6 to 10 mph.

    High: 18 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a temperature falling to around 5 by 5pm. Wind chill values as low as -9. North wind 6 to 14 mph.
Tonight
Increasing clouds, with a temperature falling to near -1 by 10pm, then rising to around 6 during the remainder of the night. Wind chill values as low as -8. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 24. Wind chill values as low as -3. South wind 5 to 13 mph.
Monday Night
Mostly cloudy, with a low around 14. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 23 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 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
Rain likely before 3am, then a slight chance of snow. Mostly cloudy, with a low around 21. Blustery, with a south wind 14 to 20 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
Mostly cloudy, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 8. Northwest wind 6 to 9 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 18. North wind 6 to 10 mph.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -2. Northwest wind 9 to 13 mph.
Friday
Partly sunny, with a high near 6. Northwest wind 13 to 15 mph.
Friday Night
Mostly cloudy, with a low around -9. Northwest wind 9 to 13 mph.
Saturday
Partly sunny and cold, with a high near 4. Northwest wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson IA
 43.15°N 91.94°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