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 SE 10 mph
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Wind Chill24°F (-4°C)
Last update 27 Dec 4:55 am CST
Extended Forecast for

Elgin IA

Dense Fog Advisory December 27, 05:17am until December 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 05:17am until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Today

    High: 45 °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 40. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. Patchy blowing snow after 4pm. Temperature rising to near 42 by 9am, then falling to around 26 during the remainder of the day. Breezy, with a light and variable wind becoming northwest 18 to 23 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F⇓

    Rain then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow likely. Widespread blowing snow, mainly between 3am and 4am. Cloudy, with a low around 8. Wind chill values as low as -12. Windy, with a northwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Likely
    and Blowing
    Snow

  • Monday

    Monday: A 30 percent chance of snow before noon. Patchy blowing snow before noon. Partly sunny, with a high near 15. Blustery, with a northwest wind 17 to 24 mph, with gusts as high as 39 mph.

    High: 15 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 4. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 45. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Tonight
A slight chance of rain before 3am, then a slight chance of rain after 5am. Cloudy, with a low around 40. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. Patchy blowing snow after 4pm. Temperature rising to near 42 by 9am, then falling to around 26 during the remainder of the day. Breezy, with a light and variable wind becoming northwest 18 to 23 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely. Widespread blowing snow, mainly between 3am and 4am. Cloudy, with a low around 8. Wind chill values as low as -12. Windy, with a northwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
A 30 percent chance of snow before noon. Patchy blowing snow before noon. Partly sunny, with a high near 15. Blustery, with a northwest wind 17 to 24 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 4. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 27. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 16. West wind around 10 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25. Northwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 1. Northwest wind around 9 mph.
New Year's Day
Sunny, with a high near 10. Northwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around -3. West wind 3 to 7 mph.
Friday
Sunny, with a high near 17. West wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Elgin IA
 42.95°N 91.63°W
Last Update:
5:11 am CST Dec 27, 2025
Forecast Valid:
5am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation