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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

21°F

-6°C

Humidity 87%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 1 Dec 12:55 am CST
Extended Forecast for

3 Miles NNW Dover IL

Winter Weather Advisory December 1, 12:00pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Cloudy, with a low around 10. North wind around 5 mph becoming calm.

    Low: 10 °F

    Cloudy

  • Monday

    Monday: Snow, mainly after noon. High near 25. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 25 °F

    Cloudy then
    Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 12. Southeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 23. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 10. North wind around 5 mph becoming calm.
Monday
Snow, mainly after noon. High near 25. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow, mainly before midnight. Low around 12. Southeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 23. Northwest wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
Sunny and cold, with a high near 9.
Thursday Night
Partly cloudy, with a low around -6.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 23.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Dover IL
 41.48°N 89.4°W (Elev. 722 ft)
Last Update:
11:01 pm CST Nov 30, 2025
Forecast Valid:
1am CST Dec 1, 2025-6pm CST Dec 7, 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