Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Over 5.5 million acres to burn across US this wildfire season. Read the forecast. Chevron right
Daily severe thunderstorms on tap for Central U.S. Click to see the forecast. Chevron right

St. Charles, MO

72°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Charles

Missouri

72°
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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 PM

72°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™69°

WindWSW 12 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts14 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling33300 ft

1 PM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™71°

WindWSW 13 mph

Air QualityFair

Max UV Index8.4 (Very High)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™74°

WindWSW 13 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts15 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™75°

WindWSW 12 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts16 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™76°

WindWSW 12 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts18 mph

Humidity45%

Indoor Humidity45% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™76°

WindWSW 10 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts13 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

77°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™74°

WindW 9 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts10 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

76°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

RealFeel Shade™74°

WindW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

WindW 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

WindW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 AM Thursday

WindSW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity74%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Charles

AccuWeather's hourly forecast for St. Charles provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 72° with a RealFeel® of 77°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Central US faces daily severe storms with hail, wind and tornado risks

28 minutes ago

Weather Forecasts

Wildfire forecast 2026: Fires likely to burn over 5.5 million acres

5 hours ago

Weather Forecasts

Spring split: Midwest enjoys 70s and 80s while Northeast battles cold

6 hours ago

Severe Weather

Illinois leads nation in tornado, hail and wind reports so far in 2026

1 day ago

Winter Weather

Late-season storm to drench Northern California, bring Sierra snow

6 hours ago

 More Stories

Featured Stories

Severe Weather

Historic Great Lakes flooding shoves ice chunks into Michigan homes

21 hours ago

Severe Weather

4 Lightning sparks 2 house fires near Chicago during thunderstorms

2 days ago

Severe Weather

See it: Oklahoma couple jumps into shelter seconds before tornado hits

1 day ago

Recreation

Hiker dies after fall from angels landing trail at Zion National Park

2 days ago

Severe Weather

Extreme rainfall in New Zealand causes devastating flooding

1 day 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

...

...

...