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

7°F

-14°C

Humidity 66%
Wind Speed NW 9 mph
Barometer 30.33 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 27 Jan 9:00 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Mostly clear, with a low around 1. Wind chill values as low as -13. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 18. Wind chill values as low as -12. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 18 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 0. Wind chill values as low as -9. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 0 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 14. Wind chill values as low as -9. North northwest wind around 5 mph, with gusts as high as 15 mph.

    High: 14 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 1. Wind chill values as low as -13. West wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Sunny, with a high near 18. Wind chill values as low as -12. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 0. Wind chill values as low as -9. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 14. Wind chill values as low as -9. North northwest wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 0. North wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 15.
Friday Night
Mostly clear, with a low around 4.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 14.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
7:36 pm CST Jan 27, 2026
Forecast Valid:
9pm CST Jan 27, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation