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

Lockport, IL

77°F
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Lockport

Illinois

77°
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Lockport, IL Weather
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7 AM

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.
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rain drop 1%
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Sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™86°

Heat Index81°

WindSSW 8 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33300 ft

8 AM

81°
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 7%
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Sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™89°

Heat Index89°

WindSSW 9 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

84°
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 7%
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Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™92°

Heat Index95°

WindSW 12 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts17 mph

Humidity85%

Indoor Humidity85% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

86°
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 7%
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Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™94°

Heat Index99°

WindSW 13 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts20 mph

Humidity80%

Indoor Humidity80% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

88°
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 7%
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Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™96°

Heat Index102°

WindSW 13 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts23 mph

Humidity75%

Indoor Humidity75% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

89°
RealFeel® 105°
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 7%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™97°

Heat Index104°

WindSW 13 mph

Air QualityPoor

Max UV Index9.5 (Very High)

Wind Gusts27 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

91°
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 5%
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Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™98°

Heat Index106°

WindSW 14 mph

Air QualityPoor

Max UV Index10.5 (Extreme)

Wind Gusts30 mph

Humidity67%

Indoor Humidity67% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 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
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™99°

Heat Index107°

WindSW 15 mph

Air QualityPoor

Max UV Index9.5 (Very High)

Wind Gusts29 mph

Humidity64%

Indoor Humidity64% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°
RealFeel® 105°
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
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™99°

Heat Index108°

WindSW 16 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts29 mph

Humidity63%

Indoor Humidity63% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
RealFeel® 105°
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
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™101°

Heat Index109°

WindSSW 16 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts30 mph

Humidity59%

Indoor Humidity59% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 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
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™98°

Heat Index105°

WindSSW 16 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts30 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
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 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™95°

Heat Index102°

WindSSW 16 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts30 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 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 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™96°

Heat Index102°

WindSSW 15 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts28 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

88°
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
Sunny
alerts

Extreme Heat Warning

1:51 AM Tuesday - 12:00 AM Friday

RealFeel Shade™96°

Heat Index100°

WindSSW 12 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts24 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

85°
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

1:51 AM Tuesday - 12:00 AM Friday

Heat Index96°

WindSSW 9 mph

Air QualityPoor

Wind Gusts18 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
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

1:51 AM Tuesday - 12:00 AM Friday

Heat Index92°

WindSSW 8 mph

Air QualityPoor

Wind Gusts12 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point76° 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

1:51 AM Tuesday - 12:00 AM Friday

Heat Index89°

WindSSW 8 mph

Air QualityPoor

Wind Gusts12 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Lockport

AccuWeather's hourly forecast for Lockport provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 79° with a RealFeel® of 89°, sunny with a 1% 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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