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St. Charles, MO

82°F
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St. Charles

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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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Today

 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Extreme Heat Warning

Tonight's Weather

Sat, Jun 27

Mostly cloudy and humid with widely separated thunderstorms Lo: 71°

Tomorrow: Mostly sunny, very hot and humid; start of a dangerous heat wave; stay hydrated Hi: 96°

Current Weather

7:39 PM

82°F
RealFeel® 97°
Partly sunny More Details
RealFeel Shade™ 92°
Heat Index 92°
Wind E 2 mph
Wind Gusts 3 mph
Air Quality Fair

Looking Ahead

Dangerous heat and humidity expected next week; be sure to stay hydrated

St. Charles Weather Radar

St. Charles Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
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Clouds
Temperature

Hourly Weather

8 PM 80°
rain drop 51%
9 PM 78°
rain drop 47%
10 PM 76°
rain drop 47%
11 PM 75°
rain drop 51%
12 AM 74°
rain drop 47%
1 AM 74°
rain drop 40%
2 AM 73°
rain drop 34%
3 AM 73°
rain drop 34%
4 AM 73°
rain drop 40%
5 AM 72°
rain drop 51%
6 AM 72°
rain drop 47%
7 AM 71°
rain drop 30%

10-Day Weather Forecast

Tonight

6/27

71° Lo

Humid with a t-storm in spots

55%

Sun

6/28

96° 76°

Mostly sunny; very hot, humid

Night: Clear, warm and very humid
7%

Mon

6/29

96° 75°

Sweltering heat with sunshine

Partly cloudy and humid
7%

Tue

6/30

97° 75°

Very hot with hazy sun

A crystal-clear sky and humid
12%

Wed

7/1

96° 75°

Hazy and toasty conditions

Mainly clear and humid
24%

Thu

7/2

93° 73°

Hot; a p.m. t-storm or two

Partly cloudy and humid
65%

Fri

7/3

95° 73°

Hot; a stray p.m. t-storm

Humid; a t-storm or two early
55%

Sat

7/4

92° 72°

Periods of sun; hot, humid

Mainly clear and humid
25%

Sun

7/5

90° 71°

Humid with a t-storm in spots

Rain and a thunderstorm late
55%

Mon

7/6

90° 70°

Mostly sunny and humid

Humid; evening rain
17%

Sun & Moon

14 hrs 52 mins
Rise 5:39 AM
Set 8:31 PM
Waxing Gibbous
Rise 7:08 PM
Set 4:05 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Moderate Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

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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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