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St. Louis, MO

97°F
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St. Louis

Missouri

97°
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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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7 PM

94°
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%
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Mostly sunny
alerts

Extreme Heat Warning

12:12 AM Thursday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index99°

WindS 7 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts13 mph

Humidity44%

Indoor Humidity44% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling33400 ft

8 PM

91°
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.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Extreme Heat Warning

12:12 AM Thursday - 8:00 PM Saturday

Heat Index98°

WindSSE 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

88°
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 0%
Chevron down
Clear
alerts

Extreme Heat Warning

12:12 AM Thursday - 8:00 PM Saturday

Heat Index95°

WindSSE 6 mph

Air QualityPoor

Wind Gusts10 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

86°
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

12:12 AM Thursday - 8:00 PM Saturday

Heat Index93°

WindSSE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

84°
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

12:12 AM Thursday - 8:00 PM Saturday

Heat Index90°

WindS 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

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 94° with a RealFeel® of 96°, mostly sunny 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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World North America United States Missouri St. Louis

Weather Near St. Louis:

  • O'Fallon, MO
  • Springfield, IL
  • St. Charles, MO
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