Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35° N Lon: 89.15° W Elev: 650 ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed N 8 mph
Barometer 30.02 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 24 Sep 7:55 pm CDT
Detailed forecast for

La Salle County

Tonight
Partly cloudy in the evening then clearing. Lows in the mid 50s. Northeast winds 5 to 10 mph, becoming north after midnight.
Thursday
Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Thursday Night
Clear. Lows in the lower 50s. West winds around 5 mph.
Friday
Sunny. Highs in the lower 80s. West winds around 5 mph.
Friday Night
Clear. Lows in the mid 50s. Southwest winds around 5 mph.
Saturday
Sunny. Highs in the lower 80s.
Saturday Night
Clear. Lows in the mid 50s.
Sunday
Sunny. Highs in the mid 80s.
Sunday Night
Clear. Lows in the upper 50s.
Monday
Sunny. Highs in the mid 80s.
Monday Night
Mostly clear. Lows in the upper 50s.
Tuesday
Partly cloudy. Highs in the lower 80s.
Tuesday Night
Partly cloudy. Lows in the mid 50s.
Wednesday
Mostly sunny. Highs in the lower 80s.



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306 PM CDT Wed Sep 24 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database