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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

48°F

9°C

Humidity 39%
Wind Speed NW 15 G 25 mph
Barometer 30.42 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Mar 5:15 pm CDT
Extended Forecast for

La Salle IL

  • Tonight

    Tonight: Clear, with a low around 24. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 24. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 50. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 49. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 79.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 39.
Wednesday
A chance of showers. Partly sunny, with a high near 50.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 49.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
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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:
3:31 pm CDT Mar 27, 2026
Forecast Valid:
5pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Chance of Precipitation