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.

Fog/Mist

45°F

7°C

Humidity 89%
Wind Speed E 5 mph
Barometer 30.06 in
Dewpoint 42°F (6°C)
Visibility 4.00 mi
Wind Chill42°F (6°C)
Last update 4 Mar 2:15 pm CST
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 49. East wind around 5 mph, with gusts as high as 10 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 54. North northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and thunderstorms before noon, then showers likely. Patchy fog before 9am. High near 74. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 49. Chance of precipitation is 100%.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

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

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 49. East wind around 5 mph, with gusts as high as 10 mph.
Tonight
Showers likely, mainly after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41. East northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before noon. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 54. North northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
Showers and thunderstorms before noon, then showers likely. Patchy fog before 9am. High near 74. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 49. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers before noon. Partly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 71.
Monday Night
A chance of showers. Partly cloudy, with a low around 51.
Tuesday
Showers likely. Mostly cloudy, with a high near 66. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
2:41 pm CST Mar 4, 2026
Forecast Valid:
2pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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