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

35°F

2°C

Humidity 59%
Wind Speed NW 10 mph
Barometer 30.57 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 27 Mar 11:15 pm CDT
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Clear, with a low around 24. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 49. West northwest wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 24. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 49. West northwest wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 77.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Breezy.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 48.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
8:41 pm CDT Mar 27, 2026
Forecast Valid:
11pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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