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Winter Storm Expected This Afternoon Into Tonight

Another round of snow is expected this afternoon into tonight, mainly along and south of I-90. Heavy snow is expected in parts of northeast Iowa... Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

14°F

-10°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.86 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 6 Dec 7:15 am CST
Extended Forecast for

Decorah IA

Winter Weather Advisory December 6, 03:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 40 percent chance of snow after 4pm. Mostly cloudy, with a high near 23. Calm wind becoming east around 5 mph in the afternoon. Little or no snow accumulation expected.

    High: 23 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow, mainly before 4am. The snow could be heavy at times. Low around 7. Wind chill values as low as zero. East wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 7 °F

    Heavy Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 15. Wind chill values as low as -3. North wind 5 to 7 mph.

    High: 15 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1. Light and variable wind.

    Low: -1 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 23. Calm wind becoming south 5 to 9 mph in the morning.

    High: 23 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 11 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 37. West wind 6 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely, mainly before midnight. Cloudy, with a low around 20. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 28 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of snow after 4pm. Mostly cloudy, with a high near 23. Calm wind becoming east around 5 mph in the afternoon. Little or no snow accumulation expected.
Tonight
Snow, mainly before 4am. The snow could be heavy at times. Low around 7. Wind chill values as low as zero. East wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday
Mostly sunny, with a high near 15. Wind chill values as low as -3. North wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around -1. Light and variable wind.
Monday
Mostly cloudy, with a high near 23. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 37. West wind 6 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 20. Southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 7. Northwest wind 5 to 8 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 20. Northwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 2. Northwest wind around 7 mph.
Friday
Partly sunny, with a high near 12. Northwest wind 7 to 10 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 6, 2025
Forecast Valid:
7am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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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