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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right

Mount Prospect, IL

81°F
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Mount Prospect

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81°
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Mount Prospect, IL Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Extreme Heat Warning

June 22 - August 5

Sun 6/22

96° /77°
1%
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®101°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSW 15 mph

Mon 6/23

97° /76°
4%
Sunny; breezy, very hot and humid; stay hydrated when outside in the heat
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

RealFeel®99°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSW 15 mph

Tue 6/24

89° /67°
40%
Warm with partial sunshine; a thunderstorm in spots in the afternoon

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindNW 9 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)

WindSSW 6 mph

Thu 6/26

90° /74°
40%
Partly sunny, hot and humid with a thunderstorm in parts of the area

RealFeel®99°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindSW 10 mph

Fri 6/27

91° /70°
66%
Hot with times of clouds and sun; a couple of thunderstorms in the afternoon

RealFeel®93°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindW 13 mph

Sat 6/28

90° /72°
70%
Mostly cloudy and hot with a couple of thunderstorms, mainly late in the day

RealFeel®95°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindWSW 9 mph

Sun 6/29

87° /70°
59%
Mostly cloudy and humid; occasional morning rain and a thunderstorm followed by a thunderstorm in spots in the afternoon

RealFeel®96°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindSSW 4 mph

Mon 6/30

84° /66°
40%
Cloudy and humid; watch for a strong thunderstorm in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindWSW 5 mph

Tue 7/1

84° /66°
1%
Less humid with sunshine and a few clouds

RealFeel®90°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNNE 5 mph

Wed 7/2

83° /69°
3%
Mostly sunny

RealFeel®92°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindESE 5 mph

Thu 7/3

86° /69°
3%
Sunshine and a few clouds

RealFeel®93°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindESE 5 mph

Fri 7/4

79° /71°
0%
Mostly sunny

RealFeel®87°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindESE 6 mph

Sat 7/5

82° /64°
25%
Mostly cloudy

RealFeel®79°

RealFeel Shade™78°

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

Tue 8/5

82° /65°
61%
Partly sunny and humid with a couple of showers and a thunderstorm, mainly later

RealFeel®89°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSW 6 mph

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World North America United States Illinois Mount Prospect

Weather Near Mount Prospect:

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