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.

Fair

0°F

-18°C

Humidity 81%
Wind Speed S 3 mph
Barometer 30.14 in
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 5 Dec 1:15 am CST
Extended Forecast for

La Salle IL

  • Overnight

    Overnight: Patchy freezing fog. Mostly cloudy, with a low around -5. Wind chill values as low as -13. South wind around 5 mph, with gusts as high as 10 mph.

    Low: -5 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 9am. Mostly sunny, with a high near 29. Wind chill values as low as -6. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy freezing rain before midnight. Mostly cloudy, with a steady temperature around 28. South southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Patchy
    Freezing Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 19. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 19 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Partly sunny, with a high near 23.

    High: 23 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy freezing fog. Mostly cloudy, with a low around -5. Wind chill values as low as -13. South wind around 5 mph, with gusts as high as 10 mph.
Friday
Patchy freezing fog before 9am. Mostly sunny, with a high near 29. Wind chill values as low as -6. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Patchy freezing rain before midnight. Mostly cloudy, with a steady temperature around 28. South southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 28. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 19. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow before noon. Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 21.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
A chance of snow. Cloudy, with a low around 23.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
12:16 am CST Dec 5, 2025
Forecast Valid:
1am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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