National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Accumulating Snow Tonight, Heaviest in Northeast Iowa

Light to moderate snow continues this evening with periods of heavy snow in northeast Iowa. Highest snow amounts of 3-6 inches over northeast Iowa. Snow ending from west to east after midnight. Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Light Snow

23°F

-5°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 23°F (-5°C)
Visibility 1.00 mi
Last update 6 Dec 9:55 pm CST
Extended Forecast for

Waukon IA

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

    NOW until 6:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 6 °F

    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 13. Wind chill values as low as -7. North wind 5 to 8 mph.

    High: 13 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a temperature falling to near 0 by 9pm, then rising to around 6 during the remainder of the night. Light and variable wind.

    Low: 0 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 22. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 22 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 36. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 36 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely, mainly before midnight. Cloudy, with a low around 22. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.

    Low: 22 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 28 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow, mainly before 2am. Low around 6. North wind 5 to 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Mostly sunny, with a high near 13. Wind chill values as low as -7. North wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a temperature falling to near 0 by 9pm, then rising to around 6 during the remainder of the night. Light and variable wind.
Monday
Mostly cloudy, with a high near 22. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 36. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow likely, mainly before midnight. Cloudy, with a low around 22. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. Northwest wind 6 to 9 mph becoming northeast after midnight.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 20. Northeast wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 1. Northwest wind 8 to 10 mph.
Friday
Partly sunny, with a high near 9. Northwest wind around 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around -7. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny and cold, with a high near 5. Northwest wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukon IA
 43.25°N 91.47°W
Last Update:
7:21 pm CST Dec 6, 2025
Forecast Valid:
10pm CST Dec 6, 2025-6pm CST Dec 13, 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