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July 2026 Climate Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35° N Lon: 89.15° W Elev: 650 ft.

Fair

81°F

27°C

Humidity	70%
Wind Speed	S 7 mph
Barometer	30.07 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	7 Aug 10:59 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

La Salle County

Rest Of Today

Partly cloudy. Highs in the mid 80s. South winds around 5 mph.

Tonight

Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the late evening and early morning. A slight chance of showers in the late evening and overnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Saturday

Partly cloudy in the morning, then clearing. Humid with highs in the lower 80s. Northwest winds around 5 mph.

Saturday Night

Mostly clear in the evening, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Light and variable winds, becoming southeast around 5 mph after midnight. Chance of precipitation 30 percent.

Sunday

Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of precipitation 60 percent.

Sunday Night

Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of precipitation 50 percent.

Monday

Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of precipitation 50 percent.

Monday Night

Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 50 percent.

Tuesday

Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of precipitation 50 percent.

Tuesday Night

Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the mid 60s. Chance of precipitation 60 percent.

Wednesday

Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent.

Wednesday Night

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of precipitation 40 percent.

Thursday

Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.