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.

Light Snow

5°F

-15°C

Humidity 78%
Wind Speed N 16 mph
Barometer 30.17 in
Dewpoint 0°F (-18°C)
Visibility 3.00 mi
Wind Chill-14°F (-26°C)
Last update 25 Jan 8:00 am CST
Extended Forecast for

Mendota IL

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Winter Weather Advisory January 25, 08:04am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory
  •  
    Winter Weather Advisory January 25, 08:04am until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Weather Advisory

  • Today

    High: 13 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around -3. Wind chill values as low as -20. North northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 9. Wind chill values as low as -22. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Wind chill values as low as -13. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 16. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 16 °F

    Partly Sunny
    and Blustery

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of snow before 10am. Cloudy, with a high near 13. Wind chill values as low as -14. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around -3. Wind chill values as low as -20. North northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny and cold, with a high near 9. Wind chill values as low as -22. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 4. Wind chill values as low as -13. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 16. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 0.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 14.
Wednesday Night
Partly cloudy, with a low around -2.
Thursday
Mostly sunny, with a high near 14.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
4:01 am CST Jan 25, 2026
Forecast Valid:
8am CST Jan 25, 2026-6pm CST Jan 31, 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