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Hawaii braces for Tropical Storm Lala, rare landfall possible. Click for the forecast.

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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8 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.

43%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Saturday

Heat Index101°

WindSE 8 mph

Air QualityPoor

Wind Gusts13 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°

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.

47%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Saturday

Heat Index97°

WindSSE 7 mph

Air QualityPoor

Wind Gusts13 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

85°

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.

51%

Thunderstorms

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Saturday

Heat Index95°

WindSSE 7 mph

Air QualityPoor

Wind Gusts12 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

11 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.

19%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Saturday

Heat Index92°

WindSSE 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 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°, mostly cloudy with a 43% 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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