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.

Partly Cloudy

83°F

28°C

Humidity 69%
Wind Speed SE 7 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Jul 10:15 am CDT
Extended Forecast for

La Salle IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South wind around 5 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 78. West northwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 78 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 97. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 78. West northwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
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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:
10:11 am CDT Jul 15, 2025
Forecast Valid:
10am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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