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Dangerous heat and humidity to grip the Southeast Chevron right

St. Mary, MO

91°F
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St. Mary

Missouri

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St. Mary, MO Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, July 28

Day

7/28
96°Hi
RealFeel® 113°
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™ 105°
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
Partly sunny, hot and humid with a thunderstorm in a couple of spots
alerts

Extreme Heat Warning

12:00 PM Saturday - 7:00 PM Tuesday

Max UV Index10 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindWSW 6 mph

Wind Gusts13 mph

Probability of Precipitation43%

Probability of Thunderstorms39%

Precipitation0.20 in

Rain0.20 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover43%

Morning

Afternoon

Night

7/28
76°Lo
RealFeel® 85°
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
Mainly clear and uncomfortably humid
alerts

Extreme Heat Warning

12:00 PM Saturday - 7:00 PM Tuesday

WindSW 5 mph

Wind Gusts9 mph

Probability of Precipitation5%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover11%

Evening

Overnight

Sun & Moon

14 hrs 13 mins
Rise 5:59 AM
Set 8:12 PM
Waxing Crescent
Rise 9:57 AM
Set 10:24 PM

Temperature History

7/28
High
Low
Forecast
96°
76°
Average
89°
67°
Last Year
86°
72°
Record
108°
1952
52°
1962

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World North America United States Missouri St. Mary

Weather Near St. Mary:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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