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.

Partly Cloudy

84°F

29°C

Humidity 47%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Jun 5:35 pm CDT
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 85. South wind around 10 mph.

    High: 85 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. South southeast wind around 5 mph becoming east after midnight.

    Low: 63 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 78. Southeast wind 5 to 10 mph.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph becoming east northeast after midnight.

    Low: 67 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 85. South wind around 10 mph.
Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 63. South southeast wind around 5 mph becoming east after midnight.
Friday
A 30 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 78. Southeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph becoming east northeast after midnight.
Saturday
Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Juneteenth
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
Last Update:
2:26 pm CDT Jun 12, 2025
Forecast Valid:
5pm CDT Jun 12, 2025-6pm CDT Jun 19, 2025
 
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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