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
7:53 AM CDT AUG 15, 2026
Overcast
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: S at 7 mph
Pressure: 30.08 inches
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
Cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Highs in the lower 80s. Southeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of precipitation 70 percent.
TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers late in the evening. A chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.
SUNDAY
Mostly cloudy. A chance of showers and thunderstorms early in the morning. Humid with highs in the mid 80s. West winds around 10 mph. Chance of precipitation 50 percent.
SUNDAY NIGHT
Partly cloudy. Humid with lows in the upper 60s. North winds 5 to 10 mph.
MONDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs around 80 inland, but only in the mid 70s near the lake. North winds 5 to 10 mph.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
TUESDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
TUESDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 70 percent.
WEDNESDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning. Highs in the upper 70s. Chance of precipitation 50 percent.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s.
THURSDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.
THURSDAY NIGHT
Partly cloudy. Lows in the lower 60s.
FRIDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 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  8/14/2026
Saturday
15 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 1, 0 hours 1 AM 74° 74° Mostly Cloudy 69%
RAIN
***		 0% Thunder
( 24% severe)		 E   7 87% 70°
Low 72° CHICAGO, IL 60621 weather forecast Day 1, 3 hours 4 AM 73° 73° Mostly Cloudy SE   7 90% 70°
High 83° CHICAGO, IL 60621 weather forecast Day 1, 6 hours 7 AM 74° 74° Mostly Cloudy 93%
RAIN
***		 0% Thunder
( 31% severe)		 ESE   8 93% 72°

Mostly Cloudy

Rain

 CHICAGO, IL 60621 weather forecast Day 1, 9 hours 10 AM 75° 75° Mostly Cloudy SSE   10 94% 73°
CHICAGO, IL 60621 weather forecast Day 1, 12 hours 1 PM 78° 80° Mostly Cloudy 50%
RAIN
>2 in		 0% Thunder
( 26% severe)		 S   9 88% 74°
CHICAGO, IL 60621 weather forecast Day 1, 15 hours 4 PM 81° 86° Mostly Cloudy WSW   9 79% 74°
CHICAGO, IL 60621 weather forecast Day 1, 18 hours 7 PM 81° 87° Mostly Cloudy 14%
RAIN
.1–.25 in		 0% Thunder
( 18% severe)		 W   8 85% 76°
CHICAGO, IL 60621 weather forecast Day 1, 21 hours 10 PM 78° 81° Mostly Cloudy WNW   7 91% 75°
Sunday
16 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 2, 0 hours 1 AM 76° 75° Mostly Cloudy 37%
RAIN
***		 0% Thunder
( 25% severe)		 SW   7 97% 75°
Low 73° CHICAGO, IL 60621 weather forecast Day 2, 3 hours 4 AM 76° 76° Mostly Cloudy WSW   7 94% 74°
High 84° CHICAGO, IL 60621 weather forecast Day 2, 6 hours 7 AM 75° 75° Mostly Cloudy 26%
RAIN
1–2 in		 0% Thunder
( 15% severe)		 WSW   8 97% 74°

Mostly Cloudy

Chance of Rain

 CHICAGO, IL 60621 weather forecast Day 2, 9 hours 10 AM 79° 83° Mostly Cloudy W   9 88% 75°
CHICAGO, IL 60621 weather forecast Day 2, 12 hours 1 PM 82° 88° Mostly Cloudy 27%
RAIN
.25–.5 in		 0% Thunder
( 23% severe)		 WNW   10 77% 74°
CHICAGO, IL 60621 weather forecast Day 2, 15 hours 4 PM 83° 89° Mostly Cloudy WNW   10 72% 73°
CHICAGO, IL 60621 weather forecast Day 2, 18 hours 7 PM 80° 84° Partly Cloudy 7%

 0% Thunder
( 15% severe)		 NW   9 79% 73°
CHICAGO, IL 60621 weather forecast Day 2, 21 hours 10 PM 76° 77° Partly Cloudy NNW   9 85% 71°

CHICAGO-MIDWAY, IL extended weather forecast
Monday
17 AUG 2026		 Tuesday
18 AUG 2026		 Wednesday
19 AUG 2026		 Thursday
20 AUG 2026		 Friday
21 AUG 2026
Low 67° Low 66° Low 69° Low 65° Low 65°
High 80° High 86° High 81° High 79° High 81°
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
11% Rain		 Partly Cloudy
16% Rain		 Overcast
49% Rain		 Partly Cloudy
21% Rain		 Partly Cloudy
26% Rain
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