Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe thunderstorms set to return to the Midwest. See the forecast. Chevron right
El Niño is officially underway. Here's what it means for the weather into 2027. Chevron right

St. Charles, MO

67°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Charles

Missouri

67°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Monday, June 15

Day

6/15
76°Hi
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Pleasant with partial sunshine; nicest day of the week

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™8 (Bright)

WindWNW 7 mph

Wind Gusts9 mph

Probability of Precipitation7%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover34%

Morning

Afternoon

Night

6/15
60°Lo
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSSW 6 mph

Wind Gusts9 mph

Probability of Precipitation11%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover37%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:36 AM
Set 8:29 PM
Waxing Crescent
Rise 5:43 AM
Set 9:42 PM

Temperature History

6/15
High
Low
Forecast
76°
60°
Average
86°
67°
Last Year
84°
68°
Record
101°
1952
49°
1961

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe thunderstorm risk to return to the storm-weary Midwest

3 hours ago

Climate

El Niño is here, and it’s developing faster than many typically do

3 days ago

Hurricane

South faces days of flooding rain as Gulf remains tropical focus

4 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Severe storms disrupt World Cup fan events across eastern U.S.

1 hour ago

Weather Forecasts

First heat wave of season to build in Northwest into Monday

9 hours ago

 More Stories

Featured Stories

Hurricane

Past El Niño Atlantic hurricane seasons still had devastating storms

4 days ago

Travel

Deer are already using a wildlife bridge over a crash-prone highway

4 days ago

Astronomy

Meet the Artemis III astronauts flying in 2027

5 days ago

Weather News

Gender reveal sparked wildfire. Who’s held accountable is unusual

5 days ago

Astronomy

NASA's X-59 breaks sound barrier for the first time

5 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

...

...

...