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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
Find out when the heat will end where you live Chevron right

Glen Carbon, IL

94°F
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Glen Carbon

Illinois

94°
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Glen Carbon, IL Weather
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3 PM

91°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™94°

WindS 8 mph

Air QualityFair

Max UV Index4 (Moderate)

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Rain0.03 in

Visibility10 mi

Cloud Ceiling9000 ft

4 PM

90°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™92°

WindSSE 8 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover41%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

5 PM

88°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 18%
Chevron down
Mostly sunny
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™92°

WindS 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Mostly sunny
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™90°

WindWSW 7 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts10 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 10%
Chevron down
Mostly sunny
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™88°

WindW 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

80°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

RealFeel Shade™86°

WindSW 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts12 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindSSW 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

78°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Clear
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindS 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Clear
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindS 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Glen Carbon

Weather Near Glen Carbon:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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