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 69%
Wind Speed S 12 mph
Barometer 29.99 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 24 Feb 6:35 am CST
Extended Forecast for

Mendota IL

  • Today

    Today: A 30 percent chance of light rain with a slight chance of showers after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 43 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Light Rain

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 41. East northeast wind around 5 mph becoming southwest in the morning. Winds could gust as high as 15 mph.

    High: 41 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of light rain with a slight chance of showers after 5pm. Cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 41. East northeast wind around 5 mph becoming southwest in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Mostly sunny, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 21.
Monday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
3:11 am CST Feb 24, 2026
Forecast Valid:
7am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation