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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right

St. Charles, MO

77°F
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St. Charles, 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
Wednesday, July 1

Day

7/1
97°Hi
RealFeel® 104°
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™ 98°
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
Hazy sunshine, hot and humid; caution advised if outside for extended periods of time
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 9 mph

Wind Gusts18 mph

Probability of Precipitation5%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover31%

Morning

Afternoon

Night

7/1
77°Lo
RealFeel® 83°
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, warm and very humid
alerts

Extreme Heat Warning

12:00 PM Sunday - 10:00 PM Friday

WindSSW 7 mph

Wind Gusts14 mph

Probability of Precipitation8%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover12%

Evening

Overnight

Sun & Moon

14 hrs 51 mins
Rise 5:40 AM
Set 8:31 PM
Waning Gibbous
Rise 10:03 PM
Set 7:58 AM

Temperature History

7/1
High
Low
Forecast
97°
77°
Average
89°
70°
Last Year
86°
69°
Record
105°
1980
56°
1937

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World North America United States Missouri St. Charles

Weather Near St. Charles:

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