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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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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Sunday, August 16

Day

8/16
93°Hi
RealFeel® 106°
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.
LEARN MORE
RealFeel Shade™ 99°
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
Humid with sunshine and a few clouds; a thunderstorm in spots in the afternoon
alerts

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Sunday

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindNW 8 mph

Wind Gusts13 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.04 in

Rain Amount0.04 in

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Cloud Cover25%

Morning

Afternoon

Night

8/16
73°Lo
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Widely separated thunderstorms in the evening; otherwise, partly cloudy and humid
alerts

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Sunday

WindNNE 6 mph

Wind Gusts10 mph

Probability of Precipitation55%

Probability of Thunderstorms50%

Precipitation0.08 in

Rain Amount0.08 in

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Cloud Cover74%

Evening

Overnight

Sun & Moon

13 hrs 39 mins
Rise 6:15 AM
Set 7:54 PM
Waxing Crescent
Rise 10:35 AM
Set 9:48 PM

Temperature History

8/16
High
Low
Forecast
93°
73°
Average
88°
66°
Last Year
98°
73°

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  • O'Fallon, MO
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