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St. Louis, MO

92°F
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St. Louis

Missouri

92°
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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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4 PM

89°
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 6%
Chevron down
Partly sunny

RealFeel Shade™92°

Heat Index94°

WindWNW 6 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts14 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling33300 ft

5 PM

89°
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 5%
Chevron down
Partly sunny

RealFeel Shade™90°

Heat Index93°

WindNNW 7 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts17 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

87°
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.
LEARN MORE
rain drop 5%
Chevron down
Partly sunny

RealFeel Shade™89°

Heat Index90°

WindNNE 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts18 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

84°
RealFeel® 86°
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.
LEARN MORE
rain drop 8%
Chevron down
Partly sunny

RealFeel Shade™86°

Heat Index88°

WindNNE 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts18 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 84°
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.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

Heat Index86°

WindNNW 7 mph

Air QualityFair

Wind Gusts17 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover71%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 65%
Chevron down
Mostly cloudy w/ t-storms

Heat Index80°

WindNNE 7 mph

Air QualityFair

Wind Gusts18 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Rain0.14 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 65%
Chevron down
Partly cloudy w/ t-storms

WindNNE 7 mph

Air QualityFair

Wind Gusts18 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover31%

Rain0.14 in

Visibility4 mi

Cloud Ceiling30000 ft

11 PM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 38%
Chevron down
Partly cloudy

WindNNE 7 mph

Air QualityFair

Wind Gusts17 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover49%

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 96°, partly sunny with a 6% 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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  • O'Fallon, MO
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