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

65°F

18°C

Humidity 67%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 8:55 pm CDT
Extended Forecast for

La Salle IL

Flood Watch until further notice
Click here for hazard details and duration
Flood Watch until further notice
  •  
    Flood Watch until further notice

    NOW until further notice

    Flood Watch

  • Tonight

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm, mainly after 10pm. Low around 42. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 42 °F

    T-storms and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly sunny, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Areas Frost
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 54. East southeast wind around 5 mph, with gusts as high as 10 mph.
Friday
A 40 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm, mainly after 10pm. Low around 42. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A 20 percent chance of showers before 9am. Mostly sunny, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 54.
Sunday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
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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:
8:56 pm CDT Apr 16, 2026
Forecast Valid:
9pm CDT Apr 16, 2026-6pm CDT Apr 23, 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