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Chicago Heights, IL

71°F
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Chicago Heights, IL Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities
Air Quality Alert

August 7 - September 20

Thu 8/7

88° /70°
3%
Mostly cloudy, warm and humid
alerts

Air Quality Alert

12:47 AM Wednesday - 12:00 AM Friday

RealFeel®97°

RealFeel Shade™90°

Max UV Index7 (High)

WindS 8 mph

Fri 8/8

91° /68°
60%
Occasional morning rain and a thunderstorm; otherwise, hot and humid with clouds giving way to sun; caution advised if doing strenuous activities outside

RealFeel®100°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindS 9 mph

Sat 8/9

92° /71°
3%
Hot and humid with plenty of sunshine; caution advised if doing strenuous activities outside

RealFeel®100°

RealFeel Shade™95°

Max UV Index9 (Very High)

WindS 10 mph

Sun 8/10

92° /70°
6%
Hot and humid with sunshine and a few clouds; caution advised if doing strenuous activities outside

RealFeel®96°

RealFeel Shade™94°

Max UV Index9 (Very High)

WindSSW 12 mph

Mon 8/11

87° /69°
55%
Mostly sunny, warm and humid; an afternoon thunderstorm

RealFeel®94°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSSW 12 mph

Tue 8/12

85° /65°
25%
Clouds to start, then sunshine returns and humid

RealFeel®97°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindW 7 mph

Wed 8/13

84° /64°
40%
A shower in places in the morning; otherwise, hazy sunshine and humid

RealFeel®90°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindWNW 8 mph

Thu 8/14

83° /66°
61%
Clouds giving way to some sun; a little morning rain followed by a shower in spots in the afternoon

RealFeel®87°

RealFeel Shade™83°

Max UV Index6 (High)

WindNNE 6 mph

Fri 8/15

86° /67°
3%
A shower in places in the morning; otherwise, times of clouds and sun

RealFeel®92°

RealFeel Shade™91°

Max UV Index6 (High)

WindENE 2 mph

Sat 8/16

86° /67°
40%
Partly sunny and humid; a shower in spots in the afternoon

RealFeel®101°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindS 4 mph

Sun 8/17

85° /68°
5%
Partly sunny and humid

RealFeel®98°

RealFeel Shade™96°

Max UV Index8 (Very High)

WindSSW 6 mph

Mon 8/18

87° /67°
82%
Rain and a thunderstorm in the morning; cloudy, warm and very humid

RealFeel®100°

RealFeel Shade™99°

Max UV Index4 (Moderate)

WindSSW 5 mph

Tue 8/19

82° /62°
55%
A passing shower in the morning; otherwise, partly sunny and very humid

RealFeel®98°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindWNW 4 mph

Wed 8/20

85° /66°
10%
Mostly sunny and humid

RealFeel®90°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindNNE 8 mph

Thu 8/21

82° /65°
5%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindNNE 7 mph

Fri 8/22

83° /65°
20%
Plenty of sunshine

RealFeel®92°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindNNE 2 mph

Sat 8/23

85° /66°
20%
Mostly sunny

RealFeel®88°

RealFeel Shade™83°

Max UV Index7 (High)

WindSSE 7 mph

Sun 8/24

85° /66°
20%
Partly sunny

RealFeel®88°

RealFeel Shade™82°

Max UV Index7 (High)

WindS 7 mph

Mon 8/25

84° /67°
5%
Brilliant sunshine and warm

RealFeel®86°

RealFeel Shade™82°

Max UV Index7 (High)

WindS 9 mph

Tue 8/26

86° /66°
25%
Warm and humid with increasing cloudiness

RealFeel®86°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindSSW 8 mph

Wed 8/27

82° /64°
56%
A passing morning shower; otherwise, partly sunny and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index7 (High)

WindWNW 5 mph

Thu 8/28

80° /65°
25%
Mostly cloudy and humid

RealFeel®86°

RealFeel Shade™80°

Max UV Index7 (High)

WindNE 7 mph

Fri 8/29

79° /65°
10%
Mostly sunny and humid

RealFeel®85°

RealFeel Shade™78°

Max UV Index7 (High)

WindE 7 mph

Sat 8/30

83° /64°
20%
Clouds to start, then sunshine returns

RealFeel®87°

RealFeel Shade™82°

Max UV Index7 (High)

WindE 6 mph

Sun 8/31

84° /65°
20%
Humid with partial sunshine

RealFeel®91°

RealFeel Shade™85°

Max UV Index6 (High)

WindSSE 2 mph

Mon 9/1

84° /65°
25%
Warm and humid with a blend of sun and clouds

RealFeel®88°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindWSW 2 mph

Tue 9/2

83° /64°
25%
Cloudy, warm and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindNE 7 mph

Wed 9/3

83° /65°
56%
A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSSW 10 mph

Thu 9/4

82° /64°
40%
Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindN 6 mph

Fri 9/5

82° /64°
10%
Mostly sunny and humid

RealFeel®88°

RealFeel Shade™80°

Max UV Index6 (High)

WindNE 5 mph

Sat 9/6

81° /63°
20%
Plenty of sunshine

RealFeel®86°

RealFeel Shade™79°

Max UV Index6 (High)

WindESE 5 mph

Sun 9/7

83° /64°
25%
Warm with increasing cloudiness

RealFeel®81°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSSE 7 mph

Mon 9/8

80° /63°
40%
A thunderstorm in spots in the morning; otherwise, mostly cloudy and humid

RealFeel®81°

RealFeel Shade™80°

Max UV Index2 (Low)

WindNNW 8 mph

Tue 9/9

78° /62°
25%
Humid with clouds and sunshine

RealFeel®81°

RealFeel Shade™78°

Max UV Index2 (Low)

WindW 2 mph

Wed 9/10

82° /61°
25%
Mostly sunny, warm and humid

RealFeel®87°

RealFeel Shade™81°

Max UV Index6 (High)

WindWNW 5 mph

Thu 9/11

80° /62°
20%
Less humid with plenty of sunshine

RealFeel®82°

RealFeel Shade™77°

Max UV Index6 (High)

WindNE 7 mph

Fri 9/12

83° /59°
62%
Partly sunny, warm and humid with a couple of showers and a thunderstorm, mainly early in the day

RealFeel®95°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindWNW 4 mph

Sat 9/13

82° /60°
2%
Mostly sunny, warm and humid

RealFeel®87°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindS 7 mph

Sun 9/14

83° /61°
40%
Humid and remaining warm with intervals of clouds and sunshine; a thunderstorm in spots in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindSSW 5 mph

Mon 9/15

69° /48°
0%
Partly sunny and less humid

RealFeel®70°

RealFeel Shade™66°

Max UV Index5 (Moderate)

WindNW 10 mph

Tue 9/16

68° /50°
0%
Plenty of sunshine

RealFeel®75°

RealFeel Shade™67°

Max UV Index5 (Moderate)

WindENE 2 mph

Wed 9/17

68° /52°
5%
Mostly cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index4 (Moderate)

WindSSE 5 mph

Thu 9/18

68° /54°
60%
Periods of rain

RealFeel®65°

RealFeel Shade™65°

Max UV Index2 (Low)

WindENE 8 mph

Fri 9/19

70° /55°
59%
Mostly cloudy; a morning thundershower followed by a couple of showers in the afternoon

RealFeel®71°

RealFeel Shade™67°

Max UV Index3 (Moderate)

WindW 9 mph

Sat 9/20

70° /52°
1%
Sunshine and a few clouds

RealFeel®75°

RealFeel Shade™69°

Max UV Index5 (Moderate)

WindSW 4 mph

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World North America United States Illinois Chicago Heights

Weather Near Chicago Heights:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
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Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
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More
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