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.

Overcast

41°F

5°C

Humidity 99%
Wind Speed NE 15 G 23 mph
Barometer 30.10 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 26 Mar 10:35 pm CDT
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 29. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 29 °F

    Blustery.
    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. North wind around 15 mph, with gusts as high as 30 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 29. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Friday
Mostly sunny, with a high near 46. North wind around 15 mph, with gusts as high as 30 mph.
Friday Night
Clear, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 50. Light and variable wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
9:16 pm CDT Mar 26, 2026
Forecast Valid:
10pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation