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

N/A

Humidity NA
Wind Speed W 6 mph
Barometer 30.22 in
Dewpoint N/A
Visibility 10.00 mi
Last update 28 Jan 6:20 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Mostly clear, with a low around 0. Wind chill values as low as -10. West northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 0 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 15. Wind chill values as low as -10. North northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 1. Wind chill values as low as -11. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 1 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of snow showers after noon. Partly sunny, with a high near 17. Wind chill values as low as -11. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 0. Wind chill values as low as -10. West northwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 15. Wind chill values as low as -10. North northwest wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Mostly clear, with a low around 1. Wind chill values as low as -11. North wind around 5 mph, with gusts as high as 10 mph.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 17. Wind chill values as low as -11. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 5. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
5:22 pm CST Jan 28, 2026
Forecast Valid:
6pm CST Jan 28, 2026-6pm CST Feb 4, 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