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St. Charles, MO

78°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

Tonight's Weather

Sun, May 17

Breezy this evening; otherwise, partly cloudy and very warm Lo: 74°

Tomorrow: Breezy and not as warm with intervals of clouds and sunshine, becoming humid in the afternoon with a couple of thunderstorms Hi: 81°

Current Weather

10:11 PM

78°F
RealFeel® 79°
Mostly clear More Details
Wind SSE 4 mph
Wind Gusts 9 mph
Air Quality Fair

Looking Ahead

Thunderstorms, some strong, tomorrow afternoon through Tuesday evening; storms can bring hail and damaging winds

St. Charles Weather Radar

St. Charles Weather Radar
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Clouds
Temperature

Hourly Weather

11 PM 77°
rain drop 0%
12 AM 77°
rain drop 0%
1 AM 76°
rain drop 0%
2 AM 76°
rain drop 2%
3 AM 76°
rain drop 2%
4 AM 76°
rain drop 2%
5 AM 75°
rain drop 2%
6 AM 74°
rain drop 2%
7 AM 74°
rain drop 4%
8 AM 75°
rain drop 7%
9 AM 76°
rain drop 7%
10 AM 77°
rain drop 6%

10-Day Weather Forecast

Tonight

5/17

74° Lo

Warm; breezy this evening

12%

Mon

5/18

81° 72°

An afternoon t-storm or two

Night: A strong t-storm; very warm
87%

Tue

5/19

78° 55°

A shower and thunderstorm

Cooler; a heavy t-storm early
88%

Wed

5/20

66° 51°

Partly sunny and cooler

Mainly clear
13%

Thu

5/21

73° 59°

Pleasant with clouds and sun

Mostly cloudy
25%

Fri

5/22

78° 60°

A couple of afternoon showers

A couple of evening showers
74%

Sat

5/23

79° 61°

Humid with a t-storm possible

Partly cloudy
30%

Sun

5/24

84° 64°

Chance for a thunderstorm

Partly cloudy and humid
30%

Mon

5/25

83° 63°

Humid with periods of sun

Humid; a t-storm around late
25%

Tue

5/26

81° 63°

Humid with a stray t-storm

Humid with increasing clouds
55%

Sun & Moon

14 hrs 21 mins
Rise 5:48 AM
Set 8:09 PM
Waxing Crescent
Rise 5:59 AM
Set 9:52 PM

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 Very High 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 Low Data is not supported in this location Dust & Dander Very 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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