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.

Mostly Cloudy

61°F

16°C

Humidity 97%
Wind Speed SE 13 mph
Barometer 29.85 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 6 Mar 7:55 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 9am. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F⇓

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 65.

    High: 65 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, with a low around 36.

    Low: 36 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely, mainly before 9am. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 62. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 44.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 65.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, with a low around 36.
Wednesday
A chance of showers before noon. Mostly cloudy, with a high near 47.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
7:11 pm CST Mar 6, 2026
Forecast Valid:
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation