Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summerlike heat, humidity is about to arrive in the East. See how hot it will get. Chevron right
Multiday severe weather risk in the central U.S. to ramp up this weekend. Get the forecast. Chevron right

St. Charles, MO

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Charles

Missouri

84°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
St. Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

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

Today's Weather

Fri, May 15

Very warm with partial sunshine Hi: 85°

Tonight: Mostly cloudy and warm; a thunderstorm late Lo: 69°

Current Weather

2:00 PM

84°F
RealFeel® 92°
Sunny More Details
RealFeel Shade™ 82°
Heat Index 84°
Wind S 5 mph
Wind Gusts 10 mph
Air Quality Poor

Looking Ahead

Thunderstorms, some strong, late tonight through tomorrow evening; storms can bring hail and damaging winds

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.
Refresh Page
Clouds
Temperature

Hourly Weather

3 PM 85°
rain drop 7%
4 PM 85°
rain drop 7%
5 PM 84°
rain drop 7%
6 PM 83°
rain drop 7%
7 PM 81°
rain drop 6%
8 PM 80°
rain drop 4%
9 PM 78°
rain drop 4%
10 PM 75°
rain drop 4%
11 PM 75°
rain drop 6%
12 AM 74°
rain drop 6%
1 AM 73°
rain drop 8%
2 AM 73°
rain drop 14%

10-Day Weather Forecast

Today

5/15

85° 69°

Partly sunny and very warm

Night: Mostly cloudy, a t-storm late
25%

Sat

5/16

82° 67°

Showers and a heavier t-storm

A shower and t-storm early
91%

Sun

5/17

90° 73°

Partly sunny, breezy and hot

Partly cloudy and very warm
8%

Mon

5/18

83° 68°

An afternoon t-storm; windy

Humid with a strong t-storm
57%

Tue

5/19

75° 55°

A shower and thunderstorm

An evening t-storm or two
88%

Wed

5/20

68° 49°

Partly sunny and less humid

Partly cloudy
21%

Thu

5/21

70° 51°

Mostly sunny and pleasant

Clear
16%

Fri

5/22

75° 55°

Mostly sunny

Partly cloudy
1%

Sat

5/23

81° 61°

A thunderstorm possible

Overcast, showers around late
30%

Sun

5/24

76° 61°

Humid with a t-storm possible

Partly cloudy and humid
30%

Sun & Moon

14 hrs 17 mins
Rise 5:50 AM
Set 8:07 PM
Waning Crescent
Rise 4:35 AM
Set 7:14 PM

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 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 High Data is not supported in this location

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

23 hours ago

Severe Weather

Multi-day severe risk in the central US; biggest threat Sunday, Monday

2 hours ago

Weather Forecasts

Summerlike heat, humidity to send RealFeel temps near 100 F in East

1 hour ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

1 hour ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

3 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

6 hours ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

23 hours ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

23 hours ago

Weather News

Here's how New York residents can get free A/C this summer

2 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

3 days ago
World North America United States Missouri St. Charles

Weather Near St. Charles:

  • O'Fallon, MO
  • Springfield, IL
  • St. Louis, MO
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...