National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

60°F

16°C

Humidity 96%
Wind Speed N 5 mph
Barometer 30.01 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Sep 5:35 am CDT
Extended Forecast for

La Salle IL

  • Today

    Today: Partly sunny, with a high near 75. North northeast wind 10 to 15 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 75. North northeast wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 55. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 76. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 84.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 84.
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:
5:42 am CDT Sep 24, 2025
Forecast Valid:
5am CDT Sep 24, 2025-6pm CDT Sep 30, 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