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

49°F

9°C

Humidity 40%
Wind Speed S 7 mph
Barometer 30.47 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 28 Mar 3:10 pm CDT
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. South southwest wind 10 to 15 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 70%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 49. South southwest wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 45. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
A chance of showers. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
3:15 pm CDT Mar 28, 2026
Forecast Valid:
3pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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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