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

41°F

5°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.01 in
Dewpoint 41°F (5°C)
Visibility 1.75 mi
Wind Chill36°F (2°C)
Last update 4 Mar 9:24 pm CST
Extended Forecast for

Mendota IL

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 40. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers before 9am. Areas of fog before 3pm. Otherwise, cloudy, with a high near 52. Northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 52 °F

    Scattered
    Showers and
    Areas Fog
    then Patchy
    Fog

  • Thursday Night

    Thursday Night: Isolated showers between midnight and 3am, then scattered showers and thunderstorms after 3am. Patchy fog after midnight. Otherwise, cloudy, with a low around 45. East southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Cloudy then
    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers and thunderstorms before noon, then showers likely. Patchy fog before 9am. High near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 49. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 49 °F

    Showers
    Likely then
    Showers and
    Breezy

  • 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

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 40. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers before 9am. Areas of fog before 3pm. Otherwise, cloudy, with a high near 52. Northeast wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers between midnight and 3am, then scattered showers and thunderstorms after 3am. Patchy fog after midnight. Otherwise, cloudy, with a low around 45. East southeast wind around 5 mph. Chance of precipitation is 30%.
Friday
Showers and thunderstorms before noon, then showers likely. Patchy fog before 9am. High near 73. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 49. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. 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.
Tuesday Night
Showers. Mostly cloudy, with a low around 36. Breezy.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 45. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.56°N 89.1°W
Last Update:
8:36 pm CST Mar 4, 2026
Forecast Valid:
9pm CST Mar 4, 2026-6pm CDT Mar 11, 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