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.

N/A

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

Mendota IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Scattered showers, mainly before 1pm. Partly sunny, with a high near 54. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 54 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44. North wind around 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Calm wind.
Veterans Day
Scattered showers, mainly before 1pm. Partly sunny, with a high near 54. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 36. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 44. North wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 29. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.56°N 89.1°W
Last Update:
8:41 pm CST Nov 10, 2026
Forecast Valid:
11pm CST Nov 10, 2026-6pm CST Nov 17, 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