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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

36°F

2°C

Humidity 40%
Wind Speed NW 13 G 20 mph
Barometer 29.74 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 25 Feb 12:15 pm CST
Extended Forecast for

La Salle IL

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 38. West northwest wind 5 to 15 mph.

    High: 38 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 38. West northwest wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 22. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 46. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 30. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 35.
Monday Night
A chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of rain. Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
12:21 pm CST Feb 25, 2026
Forecast Valid:
12pm CST Feb 25, 2026-6pm CST Mar 3, 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