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.

Partly Cloudy

73°F

23°C

Humidity 60%
Wind Speed S 15 G 23 mph
Barometer 29.68 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Apr 11:35 pm CDT
Extended Forecast for

Mendota IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 61. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. East northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 72. Breezy.

    High: 72 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 61. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 46. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 44. East northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Monday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 72. Breezy.
Monday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 49. Breezy.
Tuesday
Mostly sunny, with a high near 63. Breezy.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
1:21 am CDT Apr 24, 2026
Forecast Valid:
2am CDT Apr 24, 2026-6pm CDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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