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.

Fair and Breezy

69°F

21°C

Humidity 38%
Wind Speed S 25 G 32 mph
Barometer 30.05 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Apr 2:40 pm CDT
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Breezy, with a south southwest wind around 25 mph, with gusts as high as 35 mph.

    High: 70 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 52. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    Showers and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 67. West wind around 10 mph. Chance of precipitation is 10%.

    High: 67 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 46. Northwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 58. North northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Breezy, with a south southwest wind around 25 mph, with gusts as high as 35 mph.
Tonight
A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 52. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday
A slight chance of showers before 7am, then a slight chance of showers after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 67. West wind around 10 mph. Chance of precipitation is 10%.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 46. Northwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 58. North northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 37.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. Breezy.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 63.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
2:41 pm CDT Apr 8, 2026
Forecast Valid:
2pm CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation