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.

Overcast and Breezy

N/A

Humidity NA
Wind Speed W 24 G 39 mph
Barometer 29.44 in
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Feb 5:50 am CST
Extended Forecast for

La Salle IL

Wind Advisory February 20, 06:09am until February 20, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory February 20, 06:09am until February 20, 04:00pm

    NOW until 4:00pm Fri

    Wind Advisory

  • Today

    High: 36 °F

    Chance Snow
    and Windy
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 23 °F

    Partly Cloudy
    and Breezy
    then 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. West 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, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly 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

Today
A 40 percent chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 36. Windy, with a west wind 20 to 30 mph, with gusts as high as 50 mph.
Tonight
Partly cloudy, with a low around 23. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 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. West northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 30. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 18.
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 32.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
5:06 am CST Feb 20, 2026
Forecast Valid:
6am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation