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

1°F

-17°C

Humidity 42%
Wind Speed NE 5 mph
Barometer 30.67 in
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-9°F (-23°C)
Last update 24 Jan 11:20 am CST
Extended Forecast for

Mendota IL

Winter Weather Advisory January 24, 06:00pm until January 25, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 30 percent chance of snow, mainly after 5pm. Cloudy and cold, with a high near 7. Wind chill values as low as -8. East wind around 5 mph.

    High: 7 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly after 9pm. Cloudy, with a low around 5. Wind chill values as low as -7. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 5 °F

    Snow Likely

  • Sunday

    Sunday: A 50 percent chance of snow. Cloudy, with a high near 14. Wind chill values as low as -10. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 14 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2. Wind chill values as low as -20. North northwest wind around 15 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 10. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 14.

    High: 14 °F

    Mostly Cloudy

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 5pm. Cloudy and cold, with a high near 7. Wind chill values as low as -8. East wind around 5 mph.
Tonight
Snow likely, mainly after 9pm. Cloudy, with a low around 5. Wind chill values as low as -7. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 14. Wind chill values as low as -10. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around -2. Wind chill values as low as -20. North northwest wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 10. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Mostly cloudy, with a high near 14.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Sunny, with a high near 15.
Thursday Night
Mostly clear, with a low around 3.
Friday
Mostly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
11:16 am CST Jan 24, 2026
Forecast Valid:
11am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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