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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles ESE Mendota IL

  • Overnight

    Overnight: A 30 percent chance of snow. Cloudy, with a low around 24. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 8am, then a chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 32. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 12. Wind chill values as low as -1. Windy, with a west northwest wind 25 to 30 mph decreasing to 15 to 20 mph. Winds could gust as high as 40 mph.

    Low: 12 °F

    Chance Snow
    Showers and
    Windy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 25. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around -9. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -9 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -10.

    Low: -10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 6.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Cloudy, with a low around 24. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of snow before 8am, then a chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 32. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 12. Wind chill values as low as -1. Windy, with a west northwest wind 25 to 30 mph decreasing to 15 to 20 mph. Winds could gust as high as 40 mph.
Thursday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 25. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around -9. 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.
Friday Night
Mostly cloudy, with a low around -10.
Saturday
Mostly cloudy and cold, with a high near 6.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Sunny, with a high near 15.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Mendota IL
 41.54°N 89.07°W
Last Update:
2:17 am CST Jan 21, 2026
Forecast Valid:
2am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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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