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

Colchester, IL

89°F
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Colchester

Illinois

89°
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Colchester, IL Weather
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6 PM

88°
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 20%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index100°

WindSSE 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts23 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
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 13%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index100°

WindSSE 10 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts20 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
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 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index96°

WindSSE 10 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
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 0%
Chevron down
Clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index92°

WindSSE 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

80°
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 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index87°

WindSSE 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity92%

Indoor Humidity92% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
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
Clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index84°

WindSSE 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity93%

Indoor Humidity93% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Colchester

AccuWeather's hourly forecast for Colchester provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 88° with a RealFeel® of 99°, mostly sunny with a 20% 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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