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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

52°F

11°C

Humidity 44%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Feb 6:02 pm CST
Extended Forecast for

3 Miles NNW Dover IL

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy through mid morning, then becoming sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Light and variable wind becoming south 5 to 10 mph after midnight.
Washington's Birthday
Mostly cloudy through mid morning, then becoming sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 60. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 64. Breezy.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 60.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 38.
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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:
4:41 pm CST Feb 15, 2026
Forecast Valid:
6pm CST Feb 15, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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