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.

Mostly Cloudy

74°F

23°C

Humidity 54%
Wind Speed NE 7 mph
Barometer 30.27 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 3:15 pm CDT
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. East northeast wind around 10 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Scattered showers, mainly after 4am. Cloudy, with a low around 56. East northeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 7am. Cloudy, with a high near 63. East wind around 10 mph. Chance of precipitation is 30%.

    High: 63 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. East southeast wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Partly sunny, with a high near 71.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. East northeast wind around 10 mph.
Tonight
Scattered showers, mainly after 4am. Cloudy, with a low around 56. East northeast wind around 10 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before 7am. Cloudy, with a high near 63. East wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 52. East wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 73. East southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 77.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 59.
Saturday
Showers likely. Partly sunny, with a high near 71.
Saturday Night
A chance of showers. Partly cloudy, with a low around 46.
Sunday
A chance of showers. Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.56°N 89.13°W
Last Update:
2:26 pm CDT Oct 14, 2025
Forecast Valid:
3pm CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
Forecast Discussion
 
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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