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

59°F

15°C

Humidity 55%
Wind Speed NE 10 mph
Barometer 30.26 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 May 9:40 am CDT
Extended Forecast for

La Salle IL

  • Today

    Today: Mostly sunny, with a high near 66. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 66. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 44. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Mostly cloudy, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 57.
Memorial Day
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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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:
4:36 am CDT May 20, 2026
Forecast Valid:
9am CDT May 20, 2026-6pm CDT May 26, 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