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

Winter Storm to Impact the Region Sunday Afternoon - Monday Morning

A strong winter storm moves through the region Sunday afternoon through Monday morning. The combination of moderate to heavy snow, strong northwest winds, and falling temperatures may lead to hazardous travel conditions for much of the area. The greatest impacts in Wisconsin are expected to be along and north of I-90, while blizzard conditions are possible west of the Mississippi River. Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Freezing Fog

32°F

0°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Wind Chill24°F (-4°C)
Last update 27 Dec 5:55 am CST
Extended Forecast for

Waucoma IA

Dense Fog Advisory December 27, 06:03am until December 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 06:03am until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Today

    High: 42 °F

    Dense Fog

  • Tonight

    Tonight: A slight chance of rain before 3am, then a slight chance of rain after 5am. Cloudy, with a low around 38. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain before noon, then rain and snow between noon and 2pm, then snow after 2pm. Patchy blowing snow after 2pm. Temperature falling to around 22 by 5pm. Breezy, with a northwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F⇓

    Rain and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow likely. Widespread blowing snow, mainly between 2am and 5am. Cloudy, with a low around 7. Wind chill values as low as -15. Windy, with a northwest wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Snow Likely
    and Blowing
    Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Patchy blowing snow before noon. Partly sunny, with a high near 12. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 39 mph.

    High: 12 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 2. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 2 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. Southwest wind 8 to 13 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 42. Southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Tonight
A slight chance of rain before 3am, then a slight chance of rain after 5am. Cloudy, with a low around 38. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
Rain before noon, then rain and snow between noon and 2pm, then snow after 2pm. Patchy blowing snow after 2pm. Temperature falling to around 22 by 5pm. Breezy, with a northwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely. Widespread blowing snow, mainly between 2am and 5am. Cloudy, with a low around 7. Wind chill values as low as -15. Windy, with a northwest wind 25 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
A 20 percent chance of snow before noon. Patchy blowing snow before noon. Partly sunny, with a high near 12. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 2. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 26. Southwest wind 8 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 24. Northwest wind 11 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 0. Northwest wind around 11 mph.
New Year's Day
Sunny, with a high near 7. Northwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around -4. West wind around 7 mph.
Friday
Sunny, with a high near 15. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waucoma IA
 43.05°N 92.04°W
Last Update:
5:41 am CST Dec 27, 2025
Forecast Valid:
6am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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