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.

Freezing Fog

29°F

-2°C

Humidity 98%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 29°F (-2°C)
Visibility 0.25 mi
Last update 27 Feb 2:35 am CST
Extended Forecast for

3 Miles NNW Dover IL

Red Flag Warning February 27, 12:00pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly clear, with a low around 23. East wind around 5 mph becoming south.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 39. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

  • Monday

    Monday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 23. East wind around 5 mph becoming south.
Friday
Sunny, with a high near 65. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly clear, with a low around 28. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 39. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 39.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain or freezing rain before noon, then a chance of rain. Cloudy, with a high near 42. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
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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:
2:36 am CST Feb 27, 2026
Forecast Valid:
2am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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