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
10:53 AM CDT AUG 18, 2026
Broken Clouds 79°F
Feels Like:	81°F
Dewpoint:	63°F
Rel. Hum.:	58%
Visibility:	10 miles
Wind:	WSW at 12 mph, gusts to 21
Pressure:	30.01 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

REST OF TODAY
Mostly cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers in the afternoon. A chance of thunderstorms late. Highs around 80. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 50 percent.

TONIGHT
Mostly cloudy. Showers likely in the evening. A chance of thunderstorms until early morning. A chance of showers after midnight. Humid with lows in the mid 60s. West winds 5 to 10 mph. Chance of precipitation 60 percent.

WEDNESDAY
Mostly cloudy in the morning, then clearing. Highs in the mid 70s. North winds around 5 mph, becoming northeast in the afternoon.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. East winds around 5 mph.

THURSDAY
Mostly sunny. Highs in the upper 70s. East winds around 5 mph.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

FRIDAY
Partly cloudy. Highs in the upper 70s.

FRIDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 30 percent.

SATURDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.

SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.

SUNDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.

SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s.

MONDAY
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 8/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
18 AUG 2026

1 AM

68°

68°

Partly Cloudy

1%

0% Thunder
( 2% severe)

SW 7

81%

62°

Low 65°

4 AM

66°

66°

Partly Cloudy

SW 7

87%

62°

High 81°

7 AM

67°

67°

Mostly Cloudy

5%

0% Thunder
( 2% severe)

WSW 7

84%

62°

Mostly Cloudy

Chance of Rain

10 AM

75°

75°

Partly Cloudy

WSW 9

71%

65°

1 PM

79°

81°

Partly Cloudy

46%
RAIN
.5–1 in

0% Thunder
( 36% severe)

WSW 13

62%

65°

4 PM

78°

80°

Mostly Cloudy

SW 14

67%

66°

7 PM

75°

75°

Mostly Cloudy

61%
RAIN
***

0% Thunder
( 44% severe)

WSW 10

76%

67°

10 PM

72°

72°

Mostly Cloudy

WSW 10

84%

67°

Wednesday
19 AUG 2026

1 AM

71°

71°

Partly Cloudy

18%
RAIN
.25–.5 in

0% Thunder
( 25% severe)

WSW 9

87%

67°

Low 67°

4 AM

69°

69°

Mostly Cloudy

WNW 7

93%

67°

High 79°

7 AM

69°

69°

Mostly Cloudy

3%

0% Thunder
( 9% severe)

NW 6

90%

66°

Mostly Cloudy

10 AM

73°

73°

Mostly Cloudy

N 5

79%

66°

1 PM

76°

78°

Mostly Cloudy

4%

0% Thunder
( 16% severe)

NNE 7

69%

65°

4 PM

75°

75°

Partly Cloudy

NE 8

64%

62°

7 PM

73°

73°

Partly Cloudy

1%

0% Thunder
( 8% severe)

NE 8

64%

60°

10 PM

70°

70°

Partly Cloudy

ENE 5

71%

60°


CHICAGO-MIDWAY, IL extended weather forecast
Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026
Low 67°	Low 69°	Low 68°	Low 65°	Low 65°
High 85°	High 84°	High 83°	High 79°	High 83°

Partly Cloudy 18% Rain	Partly Cloudy 22% Rain	Partly Cloudy 49% Rain	Partly Cloudy 14% Rain	Partly Cloudy 21% Rain

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