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

53°F

12°C

Humidity 75%
Wind Speed S 10 mph
Barometer 29.93 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 9:15 pm CST
Extended Forecast for

Mark ILSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy, with a northwest wind 15 to 20 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 59. Breezy, with a northwest wind 15 to 20 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 32. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 59. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 37.
Saturday
A 40 percent chance of showers after noon. Partly sunny, with a high near 54.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 23.
Veterans Day
Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mark ILSimilar City Names
 41.26°N 89.24°W (Elev. 699 ft)
Last Update:
8:11 pm CST Nov 4, 2025
Forecast Valid:
9pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
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Additional Resources

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Chance of Precipitation