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.

Overcast

43°F

6°C

Humidity 76%
Wind Speed E 16 G 22 mph
Barometer 30.12 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 1 Apr 5:58 pm CDT
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 7pm. Low around 40. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 1pm, then showers and thunderstorms after 1pm. High near 70. Breezy, with an east wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Breezy.
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 10pm. Low around 46. Breezy, with a south wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    T-storms and
    Breezy then
    Scattered
    T-storms

  • Friday

    Friday: Scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 65. West wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 40%.

    High: 65 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 53. East wind 10 to 15 mph becoming south southwest after midnight. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 40%.

    High: 53 °F

    Scattered
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly after 7pm. Low around 40. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 1pm, then showers and thunderstorms after 1pm. High near 70. Breezy, with an east wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms, mainly before 10pm. Low around 46. Breezy, with a south wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 65. West wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 53. East wind 10 to 15 mph becoming south southwest after midnight. Chance of precipitation is 90%.
Saturday
Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 34. Breezy.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
3:46 pm CDT Apr 1, 2026
Forecast Valid:
6pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation