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

Belleville, IL

82°F
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Belleville

Illinois

82°
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Belleville, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

82°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™90°

Heat Index90°

WindSW 7 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts9 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility5 mi

Cloud Ceiling33000 ft

10 AM

86°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™94°

Heat Index98°

WindSW 8 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts12 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

11 AM

89°
RealFeel® 103°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™95°

Heat Index99°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index7.6 (Very High)

Wind Gusts14 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

12 PM

92°
RealFeel® 106°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™97°

Heat Index101°

WindSW 8 mph

Air QualityUnhealthy

Max UV Index10.1 (Very High)

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

1 PM

93°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™98°

Heat Index103°

WindSSW 8 mph

Air QualityUnhealthy

Max UV Index11.1 (Extreme)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

2 PM

95°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™99°

Heat Index104°

WindSSW 9 mph

Air QualityUnhealthy

Max UV Index10.1 (Very High)

Wind Gusts17 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

96°
RealFeel® 107°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™100°

Heat Index106°

WindS 9 mph

Air QualityUnhealthy

Max UV Index7.6 (Very High)

Wind Gusts17 mph

Humidity47%

Indoor Humidity47% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

4 PM

97°
RealFeel® 106°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™101°

Heat Index107°

WindS 9 mph

Air QualityUnhealthy

Max UV Index4.9 (Moderate)

Wind Gusts18 mph

Humidity45%

Indoor Humidity45% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

5 PM

96°
RealFeel® 104°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™100°

Heat Index106°

WindS 9 mph

Air QualityUnhealthy

Max UV Index3.4 (Moderate)

Wind Gusts16 mph

Humidity48%

Indoor Humidity48% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

6 PM

94°
RealFeel® 103°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™100°

Heat Index105°

WindS 9 mph

Air QualityUnhealthy

Max UV Index2.2 (Low)

Wind Gusts15 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

7 PM

92°
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 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™99°

Heat Index104°

WindS 8 mph

Air QualityUnhealthy

Max UV Index1.2 (Low)

Wind Gusts13 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

89°
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 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

RealFeel Shade™97°

Heat Index100°

WindS 8 mph

Air QualityUnhealthy

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

87°
RealFeel® 94°
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

12:00 PM Sunday - 10:00 PM Friday

Heat Index96°

WindS 8 mph

Air QualityUnhealthy

Wind Gusts9 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

84°
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
Clear
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

Heat Index92°

WindS 7 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

82°
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
Clear
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

Heat Index89°

WindS 7 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Belleville

AccuWeather's hourly forecast for Belleville provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 82° with a RealFeel® of 96°, hazy sunshine with a 0% 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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