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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

Prospect Heights, IL

94°F
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Prospect Heights

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Prospect Heights, IL Weather
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Winter Center
Today Hourly

Daily

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Extreme Heat Warning

June 21 - August 4

Sat 6/21

94° /78°
1%
Partly sunny; windy, hot and humid; start of an extended heat wave; stay cool and hydrated
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®103°

RealFeel Shade™100°

Max UV Index10 (Very High)

WindSSW 18 mph

Sun 6/22

96° /77°
0%
Partly sunny, breezy and very hot; stay hydrated when outside in the heat
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®100°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSW 16 mph

Mon 6/23

98° /76°
0%
Breezy, very hot and humid with sizzling sunshine; stay hydrated when outside in the heat
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®100°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSW 15 mph

Tue 6/24

89° /67°
41%
Partly sunny and warm; a thunderstorm in one or two spots in the afternoon

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindWSW 8 mph

Wed 6/25

85° /72°
88%
Mostly cloudy and humid with a couple of showers and a thunderstorm

RealFeel®95°

RealFeel Shade™90°

Max UV Index7 (High)

WindSE 4 mph

Thu 6/26

90° /71°
42%
Hot in the morning; partly sunny with a thunderstorm in parts of the area

RealFeel®97°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindSW 10 mph

Fri 6/27

87° /70°
66%
Warm with times of clouds and sun; a couple of thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindWSW 9 mph

Sat 6/28

87° /69°
63%
Mostly cloudy and humid with a couple of thunderstorms, mainly late in the day

RealFeel®96°

RealFeel Shade™91°

Max UV Index5 (Moderate)

WindSW 4 mph

Sun 6/29

83° /70°
72%
Clouds and sunshine with a couple of thunderstorms, mainly late; humid

RealFeel®91°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSSW 9 mph

Mon 6/30

81° /66°
40%
A thunderstorm in spots in the morning; otherwise, partly sunny and humid

RealFeel®90°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindW 8 mph

Tue 7/1

84° /66°
55%
Clouds yielding to some sun; areas of drizzle in the morning followed by a shower in spots in the afternoon

RealFeel®85°

RealFeel Shade™81°

Max UV Index7 (High)

WindW 13 mph

Wed 7/2

83° /69°
2%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindNNW 6 mph

Thu 7/3

86° /69°
1%
Partly sunny

RealFeel®91°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindNE 6 mph

Fri 7/4

79° /66°
10%
Mostly sunny

RealFeel®88°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindENE 5 mph

Sat 7/5

82° /61°
25%
Mostly cloudy and less humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindNNE 14 mph

Sun 7/6

77° /62°
5%
Plenty of sunshine

RealFeel®83°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindENE 7 mph

Mon 7/7

78° /61°
10%
Sunny to partly cloudy

RealFeel®86°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindENE 4 mph

Tue 7/8

80° /64°
25%
Increasing cloudiness

RealFeel®87°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindSE 4 mph

Wed 7/9

85° /69°
59%
Humid with clouds and sunshine; a couple of afternoon showers

RealFeel®89°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindSSE 6 mph

Thu 7/10

88° /69°
10%
Warm and humid with sunshine

RealFeel®95°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindW 7 mph

Fri 7/11

87° /70°
25%
Humid with partial sunshine

RealFeel®93°

RealFeel Shade™90°

Max UV Index7 (High)

WindSSW 10 mph

Sat 7/12

86° /69°
65%
Rather cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindWSW 10 mph

Sun 7/13

83° /69°
10%
Sunny

RealFeel®91°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindNNW 6 mph

Mon 7/14

81° /67°
25%
Sun giving way to increasing clouds

RealFeel®83°

RealFeel Shade™80°

Max UV Index5 (Moderate)

WindE 5 mph

Tue 7/15

82° /69°
65%
A couple of showers and a thunderstorm in the morning; otherwise, cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindW 7 mph

Wed 7/16

80° /69°
25%
Cloudy

RealFeel®81°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindENE 9 mph

Thu 7/17

80° /68°
25%
Cloudy and humid

RealFeel®82°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindE 8 mph

Fri 7/18

81° /69°
55%
Cloudy and humid with a thundershower

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindSSE 6 mph

Sat 7/19

81° /70°
55%
A couple of morning showers; otherwise, remaining cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindW 5 mph

Sun 7/20

85° /71°
20%
Uncomfortably humid with sun followed by increasing clouds

RealFeel®96°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSW 8 mph

Mon 7/21

87° /70°
61%
Some sun, then increasing clouds and uncomfortably humid; a couple of afternoon showers and a thunderstorm

RealFeel®96°

RealFeel Shade™96°

Max UV Index7 (High)

WindWSW 6 mph

Tue 7/22

85° /69°
20%
Mostly sunny and less humid

RealFeel®92°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindNW 8 mph

Wed 7/23

82° /69°
10%
Mostly sunny

RealFeel®90°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindSW 5 mph

Thu 7/24

85° /66°
62%
Humid with intervals of clouds and sunshine; a couple of afternoon showers and a thunderstorm

RealFeel®94°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindN 6 mph

Fri 7/25

80° /65°
20%
Mostly sunny and less humid

RealFeel®83°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindNNE 10 mph

Sat 7/26

79° /64°
25%
Times of clouds and sun

RealFeel®80°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindENE 5 mph

Sun 7/27

80° /67°
10%
Sunshine

RealFeel®87°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindENE 5 mph

Mon 7/28

82° /68°
10%
Mostly sunny

RealFeel®90°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindENE 2 mph

Tue 7/29

85° /69°
20%
Mostly sunny

RealFeel®91°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindWNW 5 mph

Wed 7/30

86° /70°
70%
Variable cloudiness with showers and thunderstorms in the afternoon

RealFeel®87°

RealFeel Shade™85°

Max UV Index6 (High)

WindENE 5 mph

Thu 7/31

84° /71°
25%
Decreasing clouds and humid

RealFeel®87°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSSW 12 mph

Fri 8/1

88° /67°
20%
Warm with more sun than clouds

RealFeel®92°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindNNW 9 mph

Sat 8/2

82° /64°
25%
Thickening clouds and less humid

RealFeel®82°

RealFeel Shade™80°

Max UV Index6 (High)

WindNNE 8 mph

Sun 8/3

79° /63°
25%
Some sun, then increasing clouds

RealFeel®78°

RealFeel Shade™78°

Max UV Index6 (High)

WindENE 7 mph

Mon 8/4

82° /70°
65%
Partly sunny with a couple of showers and a thunderstorm, mainly later

RealFeel®91°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindWNW 2 mph

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World North America United States Illinois Prospect Heights

Weather Near Prospect Heights:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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