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

58°F

14°C

Humidity 83%
Wind Speed S 10 mph
Barometer 29.73 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Nov 12:15 am CST
Extended Forecast for

La Salle IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon. Partly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before noon. Partly sunny, with a high near 45.

    High: 45 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 35. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 51. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of rain after noon. Partly sunny, with a high near 49.
Monday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Tuesday
A chance of rain before noon. Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
Rain likely. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
9:05 pm CST Nov 14, 2025
Forecast Valid:
12am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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