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

64°F

18°C

Humidity 52%
Wind Speed N 9 mph
Barometer 30.12 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 9 Apr 6:35 pm CDT
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely. Low around 47. North northwest wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 57. North wind around 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. North wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 61. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then showers likely. Low around 47. North northwest wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 57. North wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 36. North wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Saturday
Increasing clouds, with a high near 61. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Breezy.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
Last Update:
6:11 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 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