CHICAGO, IL 60621 Weather Forecast & Current Conditions
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  60621 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

CHICAGO-MIDWAY, IL
Current Weather
5:53 AM CDT AUG 11, 2026
Broken Clouds
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: SE at 3 mph
Pressure:
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  60621 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

CHICAGO, IL 60621
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
A chance of showers and thunderstorms early in the morning, then showers and thunderstorms in the late morning and early afternoon. A slight chance of showers and thunderstorms late. Some thunderstorms may be severe late in the morning. Locally heavy rainfall possible late in the morning. Highs in the lower 80s. Southeast winds 10 to 15 mph. Chance of precipitation 90 percent.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 70. East winds around 5 mph.
WEDNESDAY
Mostly cloudy. A chance of showers and thunderstorms in the late morning and afternoon. Humid with highs in the lower 80s inland, but only in the upper 70s near the lake. South winds around 5 mph. Chance of precipitation 40 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of precipitation 40 percent.
THURSDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with highs around 80 inland, but only in the mid 70s near the lake. Northeast winds around 5 mph. Chance of precipitation 50 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 60s. Chance of precipitation 40 percent.
FRIDAY
Mostly cloudy. Highs in the mid 70s.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 50 percent.
SATURDAY
Mostly cloudy. Showers likely with a chance of thunderstorms in the morning. Highs in the upper 70s. Chance of precipitation 60 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of precipitation 60 percent.
SUNDAY
A chance of showers in the morning. Mostly cloudy. Highs in the lower 80s. Chance of precipitation 40 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 60s.
MONDAY
Mostly cloudy. Highs in the upper 70s.

  60621 WEATHER SATELLITE LOOPS
Visible Weather Satellite
CHICAGO, IL 60621
Infrared Weather Satellite
CHICAGO, IL 60621
  60621 WEATHER RADAR LOOP
NEXRAD Weather Radar
CHICAGO, IL 60621
 MOS COMPUTER WEATHER FORECAST

CHICAGO-MIDWAY, IL 3 hourly weather forecast
weather forecast created  8:00 PM EDT  8/10/2026
Tuesday
11 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 1, 0 hours 1 AM 74° 74° Mostly Cloudy 70%
RAIN
***		 0% Thunder
( 50% severe)		 E   5 93% 72°
Low 72° CHICAGO, IL 60621 weather forecast Day 1, 3 hours 4 AM 73° 73° Mostly Cloudy ESE   5 93% 71°
High 81° CHICAGO, IL 60621 weather forecast Day 1, 6 hours 7 AM 73° 73° Mostly Cloudy 68%
RAIN
***		 0% Thunder
( 36% severe)		 SE   6 93% 71°

Mostly Cloudy

Rain Likely

 CHICAGO, IL 60621 weather forecast Day 1, 9 hours 10 AM 75° 75° Mostly Cloudy SSE   8 90% 72°
CHICAGO, IL 60621 weather forecast Day 1, 12 hours 1 PM 77° 78° Mostly Cloudy 68%
RAIN
***		 0% Thunder
( 26% severe)		 ENE   8 85% 72°
CHICAGO, IL 60621 weather forecast Day 1, 15 hours 4 PM 79° 82° Mostly Cloudy ESE   8 77% 71°
CHICAGO, IL 60621 weather forecast Day 1, 18 hours 7 PM 77° 79° Partly Cloudy 21%
RAIN
.1–.25 in		 0% Thunder
( 19% severe)		 E   7 82% 71°
CHICAGO, IL 60621 weather forecast Day 1, 21 hours 10 PM 74° 74° Partly Cloudy ENE   6 90% 71°
Wednesday
12 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 2, 0 hours 1 AM 73° 73° Mostly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 E   5 93% 71°
Low 70° CHICAGO, IL 60621 weather forecast Day 2, 3 hours 4 AM 72° 72° Mostly Cloudy E   3 93% 70°
High 82° CHICAGO, IL 60621 weather forecast Day 2, 6 hours 7 AM 72° 72° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 22% severe)		   CALM 93% 70°

Mostly Cloudy

Chance of Rain

 CHICAGO, IL 60621 weather forecast Day 2, 9 hours 10 AM 77° 79° Mostly Cloudy S   3 82% 71°
CHICAGO, IL 60621 weather forecast Day 2, 12 hours 1 PM 79° 82° Mostly Cloudy 20%
RAIN
.1–.25 in		 0% Thunder
( 16% severe)		 SSW   5 77% 71°
CHICAGO, IL 60621 weather forecast Day 2, 15 hours 4 PM 80° 83° Partly Cloudy SSW   7 72% 70°
CHICAGO, IL 60621 weather forecast Day 2, 18 hours 7 PM 78° 80° Partly Cloudy 18%
RAIN
.25–.5 in		 0% Thunder
( 11% severe)		 ENE   7 79% 71°
CHICAGO, IL 60621 weather forecast Day 2, 21 hours 10 PM 75° 75° Partly Cloudy NNE   6 84% 70°

CHICAGO-MIDWAY, IL extended weather forecast
Thursday
13 AUG 2026		 Friday
14 AUG 2026		 Saturday
15 AUG 2026		 Sunday
16 AUG 2026		 Monday
17 AUG 2026
Low 71° Low 67° Low 67° Low 75° Low 69°
High 85° High 80° High 82° High 86° High 82°
CHICAGO, IL 60621 weather forecast Day 3 CHICAGO, IL 60621 weather forecast Day 4 CHICAGO, IL 60621 weather forecast Day 5 CHICAGO, IL 60621 weather forecast Day 6 CHICAGO, IL 60621 weather forecast Day 7
Partly Cloudy
17% Rain		 Partly Cloudy
24% Rain		 Overcast
45% Rain		 Partly Cloudy
26% Rain		 Partly Cloudy
23% Rain
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