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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

26°F

-3°C

Humidity 71%
Wind Speed W 9 mph
Barometer 30.33 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 27 Nov 9:35 pm CST
Extended Forecast for

De Pue IL

Winter Storm Warning November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Mostly cloudy early, then gradual clearing, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 33. Northwest wind 5 to 10 mph becoming light west in the afternoon.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Snow, mainly after 3am. The snow could be heavy at times. Steady temperature around 26. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 24. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy early, then gradual clearing, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 33. Northwest wind 5 to 10 mph becoming light west in the afternoon.
Friday Night
Snow, mainly after 3am. The snow could be heavy at times. Steady temperature around 26. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 32. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 24. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Mostly cloudy, with a high near 19.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Pue IL
 41.33°N 89.29°W (Elev. 525 ft)
Last Update:
8:56 pm CST Nov 27, 2025
Forecast Valid:
9pm CST Nov 27, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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