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

28°F

-2°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 14 Feb 7:41 am CST
Extended Forecast for

La Salle IL

  • Today

    Today: Mostly cloudy, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. West northwest wind around 5 mph becoming south southwest in the evening. Winds could gust as high as 15 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 61. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after midnight. Partly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 36. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 59. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 10 mph.
Sunday Night
Increasing clouds, with a low around 37. West northwest wind around 5 mph becoming south southwest in the evening. Winds could gust as high as 15 mph.
Washington's Birthday
Partly sunny, with a high near 61. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
A chance of rain after midnight. Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 63. Breezy.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
7:16 am CST Feb 14, 2026
Forecast Valid:
8am CST Feb 14, 2026-6pm CST Feb 20, 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