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.

Rain and Breezy

68°F

20°C

Humidity 77%
Wind Speed SW 22 G 26 mph
Barometer 29.79 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 14 Apr 6:10 am CDT
Extended Forecast for

Mendota IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 82. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 73. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 82. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 73. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 77.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 64. Breezy.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 53. Breezy.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
6:36 am CDT Apr 14, 2026
Forecast Valid:
6am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
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