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St. Charles, MO

74°F
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St. Charles

Missouri

74°
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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
2
Flood Watch

Today's Weather

Sun, Jun 21

Cloudy; not as warm but humid with a couple of heavy thunderstorms; storms can bring downpours, damaging winds and even an isolated tornado Hi: 79°

Tonight: An evening thunderstorm in spots; otherwise, cloudy Lo: 63°

Current Weather

3:21 PM

74°F
RealFeel® 78°
Mostly cloudy More Details
RealFeel Shade™ 73°
Wind SSW 4 mph
Wind Gusts 10 mph
Air Quality Poor

Looking Ahead

Thunderstorms, some heavy, this afternoon

St. Charles Weather Radar

St. Charles Weather Radar
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Clouds
Temperature

Hourly Weather

4 PM 75°
rain drop 78%
5 PM 76°
rain drop 40%
6 PM 76°
rain drop 34%
7 PM 76°
rain drop 40%
8 PM 76°
rain drop 51%
9 PM 75°
rain drop 47%
10 PM 73°
rain drop 39%
11 PM 72°
rain drop 32%
12 AM 69°
rain drop 32%
1 AM 67°
rain drop 28%
2 AM 66°
rain drop 20%
3 AM 66°
rain drop 20%

10-Day Weather Forecast

Today

6/21

79° 63°

Heavy t-storms; not as warm

Night: A stray t-storm early; cloudy

98%

Mon

6/22

76° 62°

Some sun with a shower

Partly cloudy

55%

Tue

6/23

80° 66°

Partly sunny and nice

Mostly cloudy

2%

Wed

6/24

82° 66°

A stray afternoon t-storm

A couple of thunderstorms

55%

Thu

6/25

82° 64°

Mostly cloudy

Partly cloudy

25%

Fri

6/26

78° 68°

An afternoon t-storm or two

Evening thunderstorms

90%

Sat

6/27

83° 71°

Humid with rain and a t-storm

An evening t-storm or two

70%

Sun

6/28

89° 74°

A strong afternoon t-storm

Rain and a thunderstorm early

56%

Mon

6/29

92° 73°

Decreasing clouds; hot, humid

Clear and uncomfortably humid

10%

Tue

6/30

89° 68°

Humid; a little p.m. rain

Humid; a t-storm or two late

62%

Sun & Moon

14 hrs 53 mins
Rise 5:37 AM
Set 8:30 PM
First Quarter
Rise 12:58 PM
Set 12:58 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

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 High 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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