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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
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Lemont, IL

93°F
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Lemont

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Lemont, IL Weather
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Today

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
2
Extreme Heat Warning

Today's Weather

Wed, Jul 1

Hot with the temperature breaking the record high of 91 last reached in 2018 and humid with hazy sun; caution advised if outside for extended periods of time Hi: 93°

Tonight: Mainly clear, warm and humid Lo: 75°

Current Weather

3:10 PM

93°F
RealFeel® 105°
Hazy sunshine More Details
RealFeel Shade™ 99°
Heat Index 103°
Wind SW 7 mph
Wind Gusts 12 mph
Air Quality Poor

Looking Ahead

Dangerous heat and humidity into the weekend; be sure to stay hydrated

Lemont Weather Radar

Lemont Weather Radar
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Clouds
Temperature

Hourly Weather

4 PM 92°
rain drop 0%
5 PM 91°
rain drop 0%
6 PM 90°
rain drop 0%
7 PM 88°
rain drop 0%
8 PM 87°
rain drop 0%
9 PM 84°
rain drop 0%
10 PM 82°
rain drop 0%
11 PM 81°
rain drop 0%
12 AM 80°
rain drop 0%
1 AM 79°
rain drop 0%
2 AM 78°
rain drop 0%
3 AM 77°
rain drop 0%

10-Day Weather Forecast

Today

7/1

93° 75°

Record-breaking heat

Night: Mainly clear, warm and humid

1%

Thu

7/2

94° 73°

Humid; an afternoon t-storm

A shower and thunderstorm

57%

Fri

7/3

89° 74°

Humid with a heavy t-storm

Humid with a t-storm in spots

55%

Sat

7/4

89° 71°

Humid with a heavy t-storm

Humid with a heavy t-storm

55%

Sun

7/5

86° 69°

Humid with a thunderstorm

Partly cloudy and humid

55%

Mon

7/6

85° 68°

A t-storm around in the a.m.

Partly cloudy and humid

55%

Tue

7/7

85° 70°

Humid; afternoon showers

A thunderstorm around late

80%

Wed

7/8

86° 68°

Humid with a t-storm or two

Humid; a shower in spots late

59%

Thu

7/9

88° 67°

Humid; a stray morning shower

A crystal-clear sky

55%

Fri

7/10

86° 68°

Mostly sunny, a shower; humid

Mainly clear and humid

55%

Sun & Moon

15 hrs 09 mins
Rise 5:21 AM
Set 8:30 PM
Waning Gibbous
Rise 10:01 PM
Set 7:40 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold High Data is not supported in this location Grass Pollen Moderate Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

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