CHICAGO, IL 60666 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


CHICAGO-OHARE, IL
Current Weather

5:51 AM CDT SEP 1, 2026
Broken Clouds
77°F
Feels Like: 78°F
Dewpoint: 72°F
Rel. Hum.: 85%
Visibility: 10 miles
Wind: SSW at 3 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2026 Hurricanes

CHICAGO, IL 60666
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy. A slight chance of showers and thunderstorms. Hot. Highs in the mid 90s. Southwest winds around 5 mph, increasing to around 10 mph in the afternoon. Chance of precipitation 20 percent. Heat index values up to 105.
TONIGHT
Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph.
WEDNESDAY
Partly cloudy. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 103.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Isolated showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
THURSDAY
Partly cloudy. Scattered showers and thunderstorms. Humid with highs in the upper 80s inland, but only in the lower 80s near the lake. West winds around 5 mph, becoming north in the afternoon. Chance of precipitation 40 percent.
THURSDAY NIGHT
Partly cloudy. Scattered showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 30 percent.
FRIDAY
Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s inland, but only in the lower 80s near the lake. Chance of precipitation 50 percent.
FRIDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent.
SATURDAY
Partly cloudy. Highs in the upper 80s.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 40 percent.
SUNDAY
Mostly cloudy. Highs in the mid 80s.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 60s.
LABOR DAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80.

Visible Weather Satellite
CHICAGO, IL 60666
Infrared Weather Satellite
CHICAGO, IL 60666
NEXRAD Weather Radar
CHICAGO, IL 60666

CHICAGO-OHARE, IL 3 hourly weather forecast

weather forecast created  7:00 PM CDT  8/31/2026
Tuesday
1 SEP 2026
CHICAGO, IL 60666 weather forecast Day 1, 0 hours 1 AM 79° 82° Mostly Cloudy 4%

0% Thunder
( 12% severe)
SW   7 77% 71°
Low 74° CHICAGO, IL 60666 weather forecast Day 1, 3 hours 4 AM 76° 77° Clear WSW   6 82% 70°
High 91° CHICAGO, IL 60666 weather forecast Day 1, 6 hours 7 AM 75° 75° Partly Cloudy 6%

0% Thunder
( 18% severe)
WSW   7 84% 70°

Partly Cloudy



CHICAGO, IL 60666 weather forecast Day 1, 9 hours 10 AM 83° 88° Mostly Cloudy WSW   7 70% 72°
CHICAGO, IL 60666 weather forecast Day 1, 12 hours 1 PM 88° 95° Partly Cloudy 6%

0% Thunder
( 21% severe)
WSW   9 59% 72°
CHICAGO, IL 60666 weather forecast Day 1, 15 hours 4 PM 90° 98° Partly Cloudy WSW   10 56% 72°
CHICAGO, IL 60666 weather forecast Day 1, 18 hours 7 PM 87° 93° Mostly Cloudy 5%

0% Thunder
( 17% severe)
W   8 61% 72°
CHICAGO, IL 60666 weather forecast Day 1, 21 hours 10 PM 82° 87° Partly Cloudy SSW   7 72% 72°
Wednesday
2 SEP 2026
CHICAGO, IL 60666 weather forecast Day 2, 0 hours 1 AM 79° 82° Partly Cloudy 1%

0% Thunder
( 4% severe)
SW   7 79% 72°
Low 76° CHICAGO, IL 60666 weather forecast Day 2, 3 hours 4 AM 77° 79° Partly Cloudy SW   8 76% 69°
High 92° CHICAGO, IL 60666 weather forecast Day 2, 6 hours 7 AM 76° 77° Partly Cloudy 1%

0% Thunder
( 6% severe)
SW   8 76% 68°

Partly Cloudy



CHICAGO, IL 60666 weather forecast Day 2, 9 hours 10 AM 84° 88° Partly Cloudy SW   8 63% 70°
CHICAGO, IL 60666 weather forecast Day 2, 12 hours 1 PM 90° 96° Mostly Cloudy 3%

0% Thunder
( 11% severe)
SW   10 54% 71°
CHICAGO, IL 60666 weather forecast Day 2, 15 hours 4 PM 91° 97° Partly Cloudy SW   13 50% 70°
CHICAGO, IL 60666 weather forecast Day 2, 18 hours 7 PM 88° 94° Partly Cloudy 6%

0% Thunder
( 20% severe)
SW   12 57% 71°
CHICAGO, IL 60666 weather forecast Day 2, 21 hours 10 PM 82° 86° Partly Cloudy SW   10 67% 70°

CHICAGO-OHARE, IL extended weather forecast

Thursday
3 SEP 2026
Friday
4 SEP 2026
Saturday
5 SEP 2026
Sunday
6 SEP 2026
Monday
7 SEP 2026
Low 74° Low 73° Low 72° Low 69° Low 69°
High 90° High 91° High 88° High 86° High 80°
CHICAGO, IL 60666 weather forecast Day 3 CHICAGO, IL 60666 weather forecast Day 4 CHICAGO, IL 60666 weather forecast Day 5 CHICAGO, IL 60666 weather forecast Day 6 CHICAGO, IL 60666 weather forecast Day 7
Partly Cloudy
36% Rain
Partly Cloudy
41% Rain
Partly Cloudy
24% Rain
Partly Cloudy
38% Rain
Partly Cloudy
50% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Chicago, IL
Chicago, IL snow
Chicago, IL radar
IL map
-or-
-or-
-or-
 
60666
60666 snow
60666 radar
 
-or-
-or-
 
 
IL
IL snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions