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

49°F

9°C

Humidity 64%
Wind Speed S 10 mph
Barometer 29.80 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 8 Mar 9:55 pm CDT
Extended Forecast for

Dover IL

  • Tonight

    Tonight: Mostly clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. South wind around 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 76 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 40. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: Rain likely before 1pm, then a chance of rain and snow. Cloudy, with a high near 48. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 48 °F

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 72. South wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. South wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 76. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 40. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Rain likely before 1pm, then a chance of rain and snow. Cloudy, with a high near 48. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 29. Blustery.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy.
Friday
Mostly cloudy, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
Rain and snow likely. Cloudy, with a high near 50. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dover IL
 41.44°N 89.4°W (Elev. 748 ft)
Last Update:
9:06 pm CDT Mar 8, 2026
Forecast Valid:
10pm CDT Mar 8, 2026-6pm CDT Mar 15, 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