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.

Mostly Cloudy

44°F

7°C

Humidity 27%
Wind Speed N 9 mph
Barometer 30.12 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 28 Feb 2:55 pm CST
Extended Forecast for

La Salle IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. East northeast wind around 15 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 23. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. East wind around 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. East northeast wind around 15 mph.
Tonight
Partly cloudy, with a low around 23. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 37. Northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 22. East wind around 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Rain, mainly after midnight. Low around 35. Chance of precipitation is 80%.
Tuesday
Rain. High near 48. Chance of precipitation is 90%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 61.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47.
Friday
Rain likely. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
1:46 pm CST Feb 28, 2026
Forecast Valid:
3pm CST Feb 28, 2026-6pm CST Mar 6, 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