National Weather Service

News Headlines

August 9, 2026: Two Rounds of Severe Thunderstorms, Including Late Night Tornadoes in North-Central Illinois
August 11, 2026: Powerful Morning Derecho Produces Widespread Wind Damage and Tornadoes Across Northern Illinois and Northwest Indiana

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Partly Cloudy

82°F

28°C

Humidity	45%
Wind Speed	NW 13 G 18 mph
Barometer	29.94 in
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	22 Aug 2:35 pm CDT

More Information:

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

Extended Forecast for

Calumet City IL

This Afternoon
High: 79 °F
Slight Chance
T-storms
Tonight
Low: 62 °F
Mostly Clear
Sunday
High: 75 °F
Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 76 °F
Mostly Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 83 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. North northwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 62. North northwest wind 5 to 10 mph.

Sunday

Sunny, with a high near 75. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

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

Monday

Mostly sunny, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 60.

Tuesday

Mostly sunny, with a high near 80.