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

N/A

Humidity NA
Wind Speed NE 9 mph
Barometer 29.35 in
Dewpoint N/A
Visibility 3.00 mi
Last update 19 Feb 10:15 pm CST
Extended Forecast for

Mendota IL

Wind Advisory February 20, 01:00am until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain showers likely before 5am, then rain and snow showers likely. Cloudy, with a low around 32. Breezy, with a southeast wind 10 to 15 mph becoming west southwest 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Snow, mainly before 9am. High near 35. Windy, with a west wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow and
    Windy then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Blustery.

    High: 30 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain showers likely before 5am, then rain and snow showers likely. Cloudy, with a low around 32. Breezy, with a southeast wind 10 to 15 mph becoming west southwest 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Snow, mainly before 9am. High near 35. Windy, with a west wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 23. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 30. Blustery.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 47.
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:
8:21 pm CST Feb 19, 2026
Forecast Valid:
10pm CST Feb 19, 2026-6pm CST Feb 26, 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