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

32°F

0°C

Humidity 44%
Wind Speed S 12 mph
Barometer 29.93 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 21 Jan 3:59 am CST
Extended Forecast for

La Salle IL

Extreme Cold Watch January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a steady temperature around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of snow before 8am, then a slight chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values as low as 1. Breezy, with a west northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 14 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 27. Wind chill values as low as 1. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around -7. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: -7 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 7.

    High: 7 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a steady temperature around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of snow before 8am, then a slight chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values as low as 1. Breezy, with a west northwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Thursday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 27. Wind chill values as low as 1. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around -7. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 7.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Sunny, with a high near 16.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
4:11 am CST Jan 21, 2026
Forecast Valid:
4am CST Jan 21, 2026-6pm CST Jan 27, 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