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.

Fair

53°F

12°C

Humidity 76%
Wind Speed S 10 mph
Barometer 29.93 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Nov 9:35 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 59. Breezy, with a northwest wind 20 to 25 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 59 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 58. Light east wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain before midnight, then rain likely and possibly a thunderstorm between midnight and 3am, then rain likely after 3am. Cloudy, with a low around 48. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after noon. Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 59. Breezy, with a northwest wind 20 to 25 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Thursday
Partly sunny, with a high near 58. Light east wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A chance of rain before midnight, then rain likely and possibly a thunderstorm between midnight and 3am, then rain likely after 3am. Cloudy, with a low around 48. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A chance of rain after noon. Partly sunny, with a high near 52.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 22.
Veterans Day
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
Last Update:
9:36 pm CST Nov 4, 2025
Forecast Valid:
9pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation