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.

Overcast

18°F

-8°C

Humidity 68%
Wind Speed W 17 G 23 mph
Barometer 30.03 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 16 Mar 11:20 pm CDT
Extended Forecast for

La Salle IL

Winter Weather Advisory March 16, 11:40pm until March 17, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 16, 11:40pm until March 17, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 10 °F

    Scattered
    Snow Showers
    and Areas
    Blowing Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 26. Wind chill values as low as -3. West northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 22. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 44. South wind 5 to 15 mph becoming west southwest in the afternoon.

    High: 44 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Tonight
Scattered snow showers, mainly before 1am. Areas of blowing snow before 1am. Mostly cloudy, with a low around 10. Wind chill values as low as -3. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Increasing clouds, with a high near 26. Wind chill values as low as -3. West northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Snow. Low around 22. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 44. South wind 5 to 15 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 31. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
9:01 pm CDT Mar 16, 2026
Forecast Valid:
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation