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Saint-Louis, Saint-Louis Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 PM

86°

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.

0%

Hazy sunshine

RealFeel Shade™86°

Heat Index90°

WindNW 10 mph

Air QualityUnhealthy

Max UV Index12.0 (Extreme)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility3 mi

Cloud Ceiling33300 ft

1 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.

0%

Hazy sunshine

RealFeel Shade™85°

Heat Index89°

WindW 12 mph

Air QualityVery Unhealthy

Max UV Index10.9 (Extreme)

Wind Gusts16 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility3 mi

Cloud Ceiling30000 ft

2 PM

84°

RealFeel® 91°

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.

0%

Hazy sunshine

RealFeel Shade™85°

Heat Index88°

WindW 12 mph

Air QualityVery Unhealthy

Max UV Index7.7 (Very High)

Wind Gusts16 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover4%

Visibility3 mi

Cloud Ceiling30000 ft

3 PM

84°

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.

0%

Hazy sunshine

RealFeel Shade™84°

Heat Index87°

WindW 13 mph

Air QualityVery Unhealthy

Max UV Index4.7 (Moderate)

Wind Gusts17 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility3 mi

Cloud Ceiling30000 ft

4 PM

84°

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.

0%

Hazy sunshine

RealFeel Shade™84°

Heat Index87°

WindW 13 mph

Air QualityVery Unhealthy

Max UV Index2.9 (Moderate)

Wind Gusts16 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility3 mi

Cloud Ceiling30000 ft

5 PM

83°

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.

0%

Hazy sunshine

RealFeel Shade™83°

Heat Index87°

WindW 14 mph

Air QualityVery Unhealthy

Max UV Index1.6 (Low)

Wind Gusts15 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover0%

Visibility3 mi

Cloud Ceiling30000 ft

6 PM

82°

RealFeel® 83°

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.

0%

Hazy sunshine

RealFeel Shade™83°

Heat Index86°

WindW 13 mph

Air QualityVery Unhealthy

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover0%

Visibility3 mi

Cloud Ceiling30000 ft

7 PM

81°

RealFeel® 82°

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.

0%

Sunny

RealFeel Shade™82°

Heat Index84°

WindWNW 13 mph

Air QualityVery Unhealthy

Max UV Index0.0 (Low)

Wind Gusts14 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

79°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

Heat Index80°

WindWNW 10 mph

Air QualityVery Unhealthy

Wind Gusts14 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

9 PM

79°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

Heat Index80°

WindWNW 9 mph

Air QualityVery Unhealthy

Wind Gusts14 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

10 PM

78°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindWNW 9 mph

Air QualityVery Unhealthy

Wind Gusts13 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

11 PM

78°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindWNW 9 mph

Air QualityVery Unhealthy

Wind Gusts13 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Saint-Louis

AccuWeather's hourly forecast for Saint-Louis provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 97°, 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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