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Significant, life-threatening flash flooding ongoing in southeast Missouri. Get the latest.

Severe storms on repeat for Plains to mid-Atlantic this week. See the timing.

St. Louis, MO

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St. Louis, MO Weather

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

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

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1 PM

89°

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.

51%

Showers

RealFeel Shade™94°

Heat Index98°

WindS 6 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts6 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

90°

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.

49%

Intermittent clouds

RealFeel Shade™96°

Heat Index99°

WindS 6 mph

Air QualityFair

Max UV Index5.4 (Moderate)

Wind Gusts7 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling9600 ft

3 PM

88°

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.

61%

Mostly cloudy w/ t-storms

RealFeel Shade™94°

Heat Index101°

WindS 6 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts7 mph

Humidity72%

Indoor Humidity72% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.26 in

Visibility3 mi

Cloud Ceiling2000 ft

4 PM

84°

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.

49%

Intermittent clouds

RealFeel Shade™91°

Heat Index92°

WindS 6 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts7 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

81°

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.

66%

Mostly cloudy w/ t-storms

RealFeel Shade™88°

Heat Index91°

WindSSW 6 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts7 mph

Humidity94%

Indoor Humidity94% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.26 in

Visibility3 mi

Cloud Ceiling2000 ft

6 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.

49%

Intermittent clouds

RealFeel Shade™89°

Heat Index89°

WindW 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

7 PM

83°

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.

49%

Intermittent clouds

RealFeel Shade™91°

Heat Index90°

WindW 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

8 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.

49%

Cloudy

RealFeel Shade™90°

Heat Index89°

WindN 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts9 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling12100 ft

9 PM

81°

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.

49%

Cloudy

Heat Index87°

WindENE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling9600 ft

10 PM

78°

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.

63%

Thunderstorms

Heat Index80°

WindESE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

11 PM

77°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

61%

Thunderstorms

WindSE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity90%

Indoor Humidity90% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for St. Louis

AccuWeather's hourly forecast for St. Louis provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 89° with a RealFeel® of 98°, showers with a 51% 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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