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August 11, 2026: Powerful Derecho Produces Widespread Wind Damage and Tornadoes Across Northern Illinois and Northwest Indiana

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

A Few Clouds

77°F

25°C

Humidity	74%
Wind Speed	NE 13 mph
Barometer	29.93 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	19 Aug 5:45 pm CDT

More Information:

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

Extended Forecast for

Homer Glen IL

Tonight
Low: 62 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 59 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 63 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. East northeast wind around 5 mph.

Thursday

Sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the morning.

Thursday Night

Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening.

Friday

A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming west northwest after midnight.

Saturday

Mostly sunny, with a high near 79.

Saturday Night

Mostly clear, with a low around 61.

Sunday

Mostly sunny, with a high near 77.

Sunday Night

Partly cloudy, with a low around 59.

Monday

Mostly sunny, with a high near 77.

Monday Night

Partly cloudy, with a low around 61.