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
12:53 AM CDT AUG 12, 2026
Overcast
73°F
Feels Like: 73°F
Dewpoint: 70°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: S at 5 mph
Pressure: 29.85 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
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms late in the evening. Showers and thunderstorms likely after midnight. A chance of showers and thunderstorms late. Patchy fog after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of precipitation 60 percent.
WEDNESDAY
Patchy fog early in the morning. A chance of thunderstorms in the morning. Showers likely. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southeast winds around 5 mph. Chance of precipitation 70 percent.
WEDNESDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers after midnight, then a chance of showers late. Humid with lows in the upper 60s. East winds around 5 mph. Chance of precipitation 50 percent.
THURSDAY
Showers likely. A chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Humid with highs in the upper 70s. East winds 5 to 10 mph. Chance of precipitation 70 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent.
FRIDAY
Mostly cloudy. A slight chance of showers in the morning. Highs in the upper 70s. Chance of precipitation 20 percent.
FRIDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 50 percent.
SATURDAY
Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 60 percent.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 70s. Chance of precipitation 50 percent.
SUNDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent.
SUNDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s.
MONDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.
MONDAY NIGHT
Partly cloudy. Lows in the mid 60s.

  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  8/11/2026
Wednesday
12 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 1, 0 hours 1 AM 73° 73° Mostly Cloudy 46%
RAIN
>2 in		 0% Thunder
( 45% severe)		 SSE   5 93% 71°
Low 71° CHICAGO, IL 60621 weather forecast Day 1, 3 hours 4 AM 72° 72° Mostly Cloudy SSW   5 93% 70°
High 82° CHICAGO, IL 60621 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 28%
RAIN
.1–.25 in		 0% Thunder
( 24% severe)		 WSW   5 93% 70°

Mostly Cloudy

Chance of Rain

 CHICAGO, IL 60621 weather forecast Day 1, 9 hours 10 AM 77° 78° Mostly Cloudy SW   5 85% 72°
CHICAGO, IL 60621 weather forecast Day 1, 12 hours 1 PM 79° 82° Mostly Cloudy 37%
RAIN
***		 0% Thunder
( 25% severe)		 ESE   5 79% 72°
CHICAGO, IL 60621 weather forecast Day 1, 15 hours 4 PM 78° 80° Mostly Cloudy WNW   7 76% 70°
CHICAGO, IL 60621 weather forecast Day 1, 18 hours 7 PM 77° 79° Partly Cloudy 20%
RAIN
.5–1 in		 0% Thunder
( 12% severe)		 S   7 79% 70°
CHICAGO, IL 60621 weather forecast Day 1, 21 hours 10 PM 74° 74° Partly Cloudy ENE   6 84% 69°
Thursday
13 AUG 2026		 CHICAGO, IL 60621 weather forecast Day 2, 0 hours 1 AM 72° 72° Partly Cloudy 17%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 ENE   5 93% 70°
Low 70° CHICAGO, IL 60621 weather forecast Day 2, 3 hours 4 AM 71° 71° Mostly Cloudy ESE   3 93% 69°
High 79° CHICAGO, IL 60621 weather forecast Day 2, 6 hours 7 AM 72° 72° Mostly Cloudy 47%
RAIN
***		 0% Thunder
( 16% severe)		 ENE   3 90% 69°

Mostly Cloudy

Rain Likely

 CHICAGO, IL 60621 weather forecast Day 2, 9 hours 10 AM 75° 75° Mostly Cloudy SE   7 87% 71°
CHICAGO, IL 60621 weather forecast Day 2, 12 hours 1 PM 76° 77° Mostly Cloudy 73%
RAIN
***		 0% Thunder
( 33% severe)		 E   7 85% 71°
CHICAGO, IL 60621 weather forecast Day 2, 15 hours 4 PM 74° 74° Mostly Cloudy E   8 87% 70°
CHICAGO, IL 60621 weather forecast Day 2, 18 hours 7 PM 75° 75° Mostly Cloudy 54%
RAIN
***		 0% Thunder
( 17% severe)		 NE   9 82% 69°
CHICAGO, IL 60621 weather forecast Day 2, 21 hours 10 PM 73° 73° Mostly Cloudy ENE   8 84% 68°

CHICAGO-MIDWAY, IL extended weather forecast
Friday
14 AUG 2026		 Saturday
15 AUG 2026		 Sunday
16 AUG 2026		 Monday
17 AUG 2026		 Tuesday
18 AUG 2026
Low 71° Low 74° Low 76° Low 68° Low 67°
High 85° High 90° High 85° High 83° High 85°
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
Overcast
59% Rain		 Overcast
52% Rain		 Mostly Cloudy
31% Rain		 Partly Cloudy
24% Rain		 Partly Cloudy
17% Rain
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