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 18 G 26 mph
Barometer 30.25 in
Dewpoint N/A
Visibility 10.00 mi
Last update 22 Jan 4:20 pm CST
Extended Forecast for

Mendota IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning

  • This Afternoon

    This Afternoon: A chance of flurries. Partly sunny, with a steady temperature around 23. Blustery, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 23 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: A chance of flurries. Partly cloudy, with a low around -10. Wind chill values as low as -30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -10 °F

    Chance
    Flurries and
    Blustery

  • Friday

    Friday: Sunny and cold, with a high near 1. Wind chill values as low as -32. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 1 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -5. Wind chill values as low as -18. North northeast wind 5 to 10 mph.

    Low: -5 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Cloudy and cold, with a high near 8. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 8 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 14.

    High: 14 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around -3.

    Low: -3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Partly sunny, with a steady temperature around 23. Blustery, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
A chance of flurries. Partly cloudy, with a low around -10. Wind chill values as low as -30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near 1. Wind chill values as low as -32. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around -5. Wind chill values as low as -18. North northeast wind 5 to 10 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Cloudy and cold, with a high near 8. East northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 5.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 14.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around -3.
Monday
Sunny, with a high near 12.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 15.
Wednesday Night
Partly cloudy, with a low around -1.
Thursday
Mostly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
3:11 pm CST Jan 22, 2026
Forecast Valid:
4pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation