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

1°F

-17°C

Humidity 71%
Wind Speed NW 5 mph
Barometer 30.39 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 30 Jan 8:00 am CST
Extended Forecast for

Mendota IL

  • Today

    Today: Scattered snow showers, mainly after 2pm. Partly sunny, with a high near 16. Wind chill values as low as -8. North wind 5 to 15 mph. Chance of precipitation is 50%.

    High: 16 °F

    Mostly Sunny
    then
    Scattered
    Snow Showers

  • Tonight

    Tonight: Scattered snow showers before 9pm. Partly cloudy, with a low around 6. Wind chill values as low as -10. North northwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 6 °F

    Scattered
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values as low as -10. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Wind chill values as low as -2. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 27. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Scattered snow showers, mainly after 2pm. Partly sunny, with a high near 16. Wind chill values as low as -8. North wind 5 to 15 mph. Chance of precipitation is 50%.
Tonight
Scattered snow showers before 9pm. Partly cloudy, with a low around 6. Wind chill values as low as -10. North northwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 22. Wind chill values as low as -10. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 5. Wind chill values as low as -2. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Sunday
Mostly sunny, with a high near 27. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
A chance of snow after noon. Mostly cloudy, with a high near 30.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 29.
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:
5:22 am CST Jan 30, 2026
Forecast Valid:
8am CST Jan 30, 2026-6pm CST Feb 5, 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