CHICAGO, IL 60666 Weather Forecast & Current Conditions

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CHICAGO-OHARE, IL
Current Weather

10:51 AM CDT APR 21, 2026
Scattered Clouds
66°F
Feels Like: 66°F
Dewpoint: 45°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: SW at 17 mph, gusts to 30
Pressure: 29.92 inches
Last 72 hours

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CHICAGO, IL 60666
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy in the morning, then becoming mostly cloudy. Isolated showers and thunderstorms early in the afternoon. Scattered showers and thunderstorms late. Breezy. Highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent.
TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms early in the evening. Patchy fog late. Lows in the lower 50s. West winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 20 percent.
WEDNESDAY
Partly cloudy. Patchy fog early in the morning. Highs in the lower 70s inland, but only in the upper 50s near the lake. Northeast winds around 5 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s. Southeast winds around 5 mph.
THURSDAY
Partly cloudy. Highs around 80. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 40 percent.
FRIDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 70 percent.
FRIDAY NIGHT
Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of precipitation 20 percent.
SATURDAY
Partly cloudy. Highs in the lower 60s inland, but only in the upper 50s near the lake.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.
SUNDAY
Partly cloudy. Highs in the mid 60s inland, but only in the lower 60s near the lake.
SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows around 50. Chance of precipitation 30 percent.
MONDAY
Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of precipitation 50 percent.

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  4/20/2026
Tuesday
21 APR 2026
CHICAGO, IL 60666 weather forecast Day 1, 0 hours 1 AM 48° 43° Mostly Cloudy 0%

0% Thunder
( 1% severe)
S   12 51% 31°
Low 47° CHICAGO, IL 60666 weather forecast Day 1, 3 hours 4 AM 49° 44° Mostly Cloudy S   13 54% 33°
High 75° CHICAGO, IL 60666 weather forecast Day 1, 6 hours 7 AM 50° 45° Partly Cloudy 1%

0% Thunder
( 3% severe)
SSW   13 63% 38°

Partly Cloudy

Chance of Rain

CHICAGO, IL 60666 weather forecast Day 1, 9 hours 10 AM 62° 60° Partly Cloudy SW   15 50% 43°
CHICAGO, IL 60666 weather forecast Day 1, 12 hours 1 PM 71° 71° Partly Cloudy 30%
RAIN
***
0% Thunder
( 21% severe)
SW   15 42% 47°
CHICAGO, IL 60666 weather forecast Day 1, 15 hours 4 PM 74° 74° Partly Cloudy WSW   14 43% 50°
CHICAGO, IL 60666 weather forecast Day 1, 18 hours 7 PM 70° 70° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 14% severe)
W   9 53% 52°
CHICAGO, IL 60666 weather forecast Day 1, 21 hours 10 PM 63° 63° Partly Cloudy NNW   7 70% 53°
Wednesday
22 APR 2026
CHICAGO, IL 60666 weather forecast Day 2, 0 hours 1 AM 59° 58° Partly Cloudy 5%

0% Thunder
( 3% severe)
N   6 75% 51°
Low 52° CHICAGO, IL 60666 weather forecast Day 2, 3 hours 4 AM 55° 54° Partly Cloudy NNE   6 80% 49°
High 72° CHICAGO, IL 60666 weather forecast Day 2, 6 hours 7 AM 53° 51° Partly Cloudy 1%

0% Thunder
( 3% severe)
NE   6 80% 47°

Partly Cloudy



CHICAGO, IL 60666 weather forecast Day 2, 9 hours 10 AM 60° 60° Partly Cloudy NE   6 67% 49°
CHICAGO, IL 60666 weather forecast Day 2, 12 hours 1 PM 68° 68° Partly Cloudy 1%

0% Thunder
( 9% severe)
E   7 51% 49°
CHICAGO, IL 60666 weather forecast Day 2, 15 hours 4 PM 70° 70° Partly Cloudy E   7 45% 48°
CHICAGO, IL 60666 weather forecast Day 2, 18 hours 7 PM 65° 65° Partly Cloudy 0%

0% Thunder
( 5% severe)
E   8 54% 48°
CHICAGO, IL 60666 weather forecast Day 2, 21 hours 10 PM 58° 57° Partly Cloudy ESE   7 69% 48°

CHICAGO-OHARE, IL extended weather forecast

Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Low 59° Low 59° Low 52° Low 46° Low 50°
High 83° High 74° High 63° High 65° High 65°
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
11% Rain
Overcast
74% Rain
Overcast
22% Rain
Partly Cloudy
23% Rain
Mostly Cloudy
53% Rain
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