National Weather Service

News Headlines

50 year anniversary of June 13, 1976, Lemont-Argonne tornado and significant flash flood
June 24, 2026: Scattered Storms Produce Localized Wind Damage, Hail, Flooding, and At Least One Tornado

Hazardous Weather Conditions

Extreme Heat Watch in effect from June 29, 12:00 PM CDT until July 1, 10:00 PM CDT

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78° N Lon: 87.76° W Elev: 617 ft.

Mostly Cloudy

77°F

25°C

Humidity	60%
Wind Speed	E 13 G 21 mph
Barometer	29.95 in (1013.6 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	27 Jun 3:53 pm CDT

More Information:

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

Detailed forecast for

Central Cook

Tonight

Mostly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.

Sunday

Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s inland, but only in the mid 70s near the lake. East winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.

Sunday Night

Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the mid 70s. Southeast winds around 10 mph.

Monday

Partly cloudy in the morning, then clearing. Hot with highs in the lower 90s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 104.

Monday Night

Mostly clear. Humid with lows in the upper 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Heat index values up to 100 early in the evening.

Tuesday

Mostly sunny. Hot with highs in the mid 90s.

Tuesday Night

Clear. Lows in the upper 70s.

Wednesday

Mostly sunny. Hot with highs in the mid 90s.

Wednesday Night

Mostly clear. Lows in the upper 70s.

Thursday

Mostly sunny. Hot with highs in the mid 90s.

Thursday Night

Partly cloudy. Lows in the mid 70s.