Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fog/Mist
61°F
16°C
| Humidity | 100% |
| Wind Speed | NE 14 G 17 mph |
| Barometer | 30.06 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 2.50 mi |
| Last update | 21 Sep 3:40 am CDT |
Extended Forecast for
La Salle IL
Flood Watch September 21, 10:00am until September 23, 10:00am
Overnight
Low: 59 °F
Patchy
DrizzleMonday
High: 63 °F
Patchy
DrizzleMonday Night
Low: 55 °F
Cloudy then
Slight Chance
ShowersTuesday
High: 65 °F
Slight Chance
Showers then
Partly SunnyTuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 69 °F
Mostly Sunny
Wednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 69 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy drizzle. Cloudy, with a low around 59. East northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Patchy drizzle before 8am, then a slight chance of showers after 8am. Cloudy, with a high near 63. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 65. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
La Salle IL
41.34°N 89.09°W
41.34°N 89.09°W
3:46 am CDT Sep 21, 2026
4am CDT Sep 21, 2026-6pm CDT Sep 27, 2026
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