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.

Mostly Cloudy

34°F

1°C

Humidity 76%
Wind Speed NW 6 mph
Barometer 30.12 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 12:15 am CDT
Extended Forecast for

La Salle IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow between 9am and 11am. Mostly cloudy, with a high near 46. East southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 40. East wind around 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 10am. High near 62. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 62 °F

    Showers
    Likely and
    Breezy then
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then snow after 1am. Patchy blowing snow after 2am. Low around 22. Windy, with a south southwest wind 25 to 30 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%.

    Low: 22 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 24. Windy. Chance of precipitation is 60%.

    High: 24 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. North wind around 5 mph.
Saturday
A slight chance of snow between 9am and 11am. Mostly cloudy, with a high near 46. East southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 40. East wind around 15 mph, with gusts as high as 20 mph.
Sunday
Rain likely, then showers and possibly a thunderstorm after 10am. High near 62. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then snow after 1am. Patchy blowing snow after 2am. Low around 22. Windy, with a south southwest wind 25 to 30 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 24. Windy. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 8. Blustery.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 56.
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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:
9:41 pm CDT Mar 13, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation