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St. Charles, MO

85°F
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St. Charles

Missouri

85°
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St. Charles, MO Weather
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Today

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

Tonight's Weather

Sun, Jun 28

Clear, warm and very humid Lo: 76°

Tomorrow: Hot with sunshine and a few clouds; danger of dehydration and heatstroke if outside for extended periods of time Hi: 96°

Current Weather

9:58 PM

85°F
RealFeel® 96°
Mostly clear More Details
Heat Index 95°
Wind SSE 3 mph
Wind Gusts 8 mph
Air Quality Fair

Looking Ahead

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

St. Charles Weather Radar

St. Charles Weather Radar
Static Radar Temporarily Unavailable
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Clouds
Temperature

Hourly Weather

10 PM 85°
rain drop 7%
11 PM 82°
rain drop 7%
12 AM 80°
rain drop 7%
1 AM 80°
rain drop 5%
2 AM 79°
rain drop 0%
3 AM 78°
rain drop 0%
4 AM 78°
rain drop 0%
5 AM 76°
rain drop 0%
6 AM 77°
rain drop 0%
7 AM 78°
rain drop 0%
8 AM 80°
rain drop 0%
9 AM 83°
rain drop 0%

10-Day Weather Forecast

Tonight

6/28

76° Lo

Clear, warm and very humid

25%

Mon

6/29

96° 76°

Mostly sunny and hot

Night: Partly cloudy, warm and humid
4%

Tue

6/30

97° 75°

Hazy sunshine and very hot

A crystal-clear sky and humid
8%

Wed

7/1

96° 78°

Hazy sunshine, hot and humid

Mainly clear, warm and humid
18%

Thu

7/2

96° 75°

A t-storm around in the p.m.

Partly cloudy and humid
55%

Fri

7/3

95° 73°

Hot with a t-storm possible

Partly cloudy and humid
30%

Sat

7/4

92° 75°

Hot and humid with some sun

Mainly clear and humid
25%

Sun

7/5

90° 71°

Humid with rain and a t-storm

A thunderstorm or two late
70%

Mon

7/6

88° 70°

Partly sunny, a shower; humid

Mainly clear and humid
55%

Tue

7/7

86° 69°

Mostly cloudy and humid

Mostly clear and humid
2%

Sun & Moon

14 hrs 52 mins
Rise 5:39 AM
Set 8:31 PM
Waxing Gibbous
Rise 8:01 PM
Set 4:57 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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