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

21°F

-6°C

Humidity 58%
Wind Speed SW 12 G 16 mph
Barometer 30.24 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 22 Jan 9:19 am CST
Extended Forecast for

Mendota IL

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

  • Today

    Today: A chance of flurries between 11am and 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 26. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Tonight

    Tonight: A chance of flurries before midnight. Partly cloudy, with a low around -10. Wind chill values as low as -31. 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: Mostly sunny and cold, with a high near -2. Wind chill values as low as -33. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -6. Wind chill values as low as -21. North wind 5 to 10 mph.

    Low: -6 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 13.

    High: 13 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 13.

    High: 13 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries between 11am and 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 26. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before midnight. Partly cloudy, with a low around -10. Wind chill values as low as -31. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and cold, with a high near -2. Wind chill values as low as -33. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -6. Wind chill values as low as -21. North wind 5 to 10 mph.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8. Northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 2.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 13.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 13.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
Last Update:
9:21 am CST Jan 22, 2026
Forecast Valid:
9am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation