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St. Louis, MO

91°F
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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
Saturday, August 15

Day

8/15
99°Hi
RealFeel® 109°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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™ 103°
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
Mostly sunny with a thunderstorm in parts of the area; very hot; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Sunday

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 8 mph

Wind Gusts10 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.08 in

Rain Amount0.08 in

Total Hours of Precipitation1

Total Hours of Rain1

Cloud Cover22%

Morning

Afternoon

Night

8/15
76°Lo
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid
alerts

Extreme Heat Warning

12:00 PM Sunday - 9:00 PM Sunday

WindSW 6 mph

Wind Gusts10 mph

Probability of Precipitation8%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover7%

Evening

Overnight

Sun & Moon

13 hrs 40 mins
Rise 6:15 AM
Set 7:55 PM
Waxing Crescent
Rise 9:30 AM
Set 9:24 PM

Temperature History

8/15
High
Low
Forecast
99°
76°
Average
88°
67°
Last Year
96°
72°

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World North America United States Missouri St. Louis

Weather Near St. Louis:

  • O'Fallon, MO
  • Springfield, IL
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