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.

Overcast

57°F

14°C

Humidity 44%
Wind Speed SE 9 mph
Barometer 30.29 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Apr 3:50 pm CDT
Extended Forecast for

La Salle IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. Southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. Southeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
A chance of showers. Mostly sunny, with a high near 81.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
La Salle IL
 41.34°N 89.09°W
Last Update:
3:41 pm CDT Apr 11, 2026
Forecast Valid:
4pm CDT Apr 11, 2026-6pm CDT Apr 18, 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