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Heat dome to bring 90 to 100-degree temps. See when the heat will peak. Chevron right

Charleston, IL

86°F
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Charleston

Illinois

86°
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Charleston, IL Weather
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2 PM

85°
RealFeel® 100°
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 16%
Chevron down
Intermittent clouds

RealFeel Shade™91°

Heat Index93°

WindSSE 7 mph

Air QualityFair

Max UV Index7.3 (High)

Wind Gusts14 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling13600 ft

3 PM

87°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 16%
Chevron down
Intermittent clouds

RealFeel Shade™94°

Heat Index96°

WindS 8 mph

Air QualityFair

Max UV Index6.9 (High)

Wind Gusts15 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling20100 ft

4 PM

87°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 16%
Chevron down
Partly sunny

RealFeel Shade™94°

Heat Index98°

WindS 8 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts16 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 16%
Chevron down
Partly sunny

RealFeel Shade™95°

Heat Index99°

WindSSE 8 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts14 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
RealFeel® 99°
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 16%
Chevron down
Mostly sunny

RealFeel Shade™94°

Heat Index97°

WindSSE 7 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts13 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 96°
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 11%
Chevron down
Sunny

RealFeel Shade™93°

Heat Index95°

WindSSE 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 92°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™92°

Heat Index91°

WindSSE 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°
RealFeel® 89°
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 0%
Chevron down
Mostly clear

Heat Index85°

WindSE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

78°
RealFeel® 87°
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 0%
Chevron down
Mostly clear

Heat Index80°

WindSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
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 0%
Chevron down
Mostly clear

WindSE 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Charleston

AccuWeather's hourly forecast for Charleston provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 100°, intermittent clouds with a 16% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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