Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

24°F

-4°C

Humidity 84%
Wind Speed N 9 mph
Barometer 30.33 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 1 Mar 12:35 am CST
Extended Forecast for

Mendota IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. North northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. East northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 23. East wind around 10 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 44. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely after midnight.  Cloudy, with a low around 35. Southeast wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%.

    Low: 35 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers.  High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 55.

    High: 55 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers.  Cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. North northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 36. East northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 23. East wind around 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 44. Southeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Showers likely after midnight. Cloudy, with a low around 35. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Tuesday
Showers. High near 46. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Wednesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 55.
Wednesday Night
A chance of showers. Cloudy, with a low around 43.
Thursday
A chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
Showers likely. Mostly cloudy, with a high near 65.
Friday Night
Showers likely. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
12:21 am CST Mar 1, 2026
1am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
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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