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September 2025 Climate Summary

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07° N Lon: 87.85° W Elev: 617 ft.

Partly Cloudy

88°F

31°C

Humidity	33%
Wind Speed	SW 3 mph
Barometer	30.13 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Oct 3:55 pm CDT

More Information:

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

Detailed forecast for

Iroquois County

Tonight

Mostly clear. A slight chance of showers early in the evening. Lows in the lower 60s. South winds around 5 mph. Chance of precipitation 20 percent.

Saturday

Mostly sunny. Continued unseasonably warm with highs in the upper 80s. South winds 5 to 10 mph.

Saturday Night

Clear. Lows in the upper 50s. South winds around 5 mph.

Sunday

Sunny. Continued unseasonably warm with highs in the mid 80s. South winds 10 to 15 mph.

Sunday Night

Clear. Lows in the lower 60s. South winds 5 to 10 mph.

Monday

Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.

Monday Night

Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 70 percent.

Tuesday

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent.

Tuesday Night

Partly cloudy in the evening, then clearing. Lows in the upper 40s.

Wednesday

Sunny. Highs in the upper 60s.

Wednesday Night

Mostly clear. Lows in the lower 40s.

Thursday

Mostly sunny. Highs around 70.

Thursday Night

Mostly clear. Lows in the mid 40s.

Friday

Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.