National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

**Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED**

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

68°F

20°C

Humidity 46%
Wind Speed S 13 G 20 mph
Barometer 29.73 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 9 Mar 12:55 pm CDT
Extended Forecast for

Mendota IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. South southwest wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Mostly sunny, with a high near 73. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 40. East wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 40 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 51. South southwest wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Mostly sunny, with a high near 73. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 40. East wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 38. Breezy.
Friday
Partly sunny, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 48.
Saturday Night
A chance of rain. Cloudy, with a low around 36.
Sunday
Rain and snow likely. Cloudy, with a high near 51. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.1°W
Last Update:
12:41 pm CDT Mar 9, 2026
Forecast Valid:
1pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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