National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

39°F

4°C

Humidity 70%
Wind Speed W 7 mph
Barometer 29.82 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 10 Feb 6:21 am CST
Extended Forecast for

Mendota IL

  • Today

    Today: Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Northwest wind around 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 42. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 27. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Cloudy, with a high near 42. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 42 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 25. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 42. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Increasing clouds, with a low around 27. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Cloudy, with a high near 42. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
A chance of rain after midnight. Mostly cloudy, with a low around 32.
Sunday
A chance of rain. Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 28.
Washington's Birthday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
5:51 am CST Feb 10, 2026
Forecast Valid:
6am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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