Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Weekend snow ongoing in Northeast cities. Get the forecast. Chevron right
The ongoing Arctic blast is likely to be the coldest one so far this winter. See the forecast. Chevron right

St Charles, MO

5°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St Charles

Missouri

5°
No results found.
Try searching for a city, zip code or point of interest.
settings
St Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

7 AM

5°
RealFeel® -15°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Cold Weather Advisory

9:00 PM Saturday - 12:00 PM Sunday

WindNNW 14 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity67%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

4°
RealFeel® -14°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Cold Weather Advisory

9:00 PM Saturday - 12:00 PM Sunday

RealFeel Shade™-14°

WindNNW 13 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

4°
RealFeel® -12°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Cold Weather Advisory

9:00 PM Saturday - 12:00 PM Sunday

RealFeel Shade™-14°

WindNNW 13 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity74%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

6°
RealFeel® -7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Cold Weather Advisory

9:00 PM Saturday - 12:00 PM Sunday

RealFeel Shade™-11°

WindNNW 12 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts17 mph

Humidity66%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

9°
RealFeel® -1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Cold Weather Advisory

9:00 PM Saturday - 12:00 PM Sunday

RealFeel Shade™-6°

WindNNW 10 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts15 mph

Humidity58%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

12°
RealFeel® 4°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™-1°

WindNNW 10 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts12 mph

Humidity50%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

13°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™2°

WindNNW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts12 mph

Humidity46%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

14°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™6°

WindNNW 8 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts12 mph

Humidity44%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

16°
RealFeel® 13°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™10°

WindN 7 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts10 mph

Humidity41%

Indoor Humidity14% (Extremely Dry)

Dew Point-4° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

16°
RealFeel® 12°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™12°

WindN 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity43%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

15°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity46%

Indoor Humidity14% (Extremely Dry)

Dew Point-3° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

14°
RealFeel® 9°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindENE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity48%

Indoor Humidity14% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

13°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity50%

Indoor Humidity15% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

13°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindESE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity52%

Indoor Humidity15% (Extremely Dry)

Dew Point-2° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

14°
RealFeel® 7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity50%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

15°
RealFeel® 6°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSSE 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity49%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

15°
RealFeel® 5°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindS 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity49%

Indoor Humidity15% (Extremely Dry)

Dew Point-1° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Weekend snow to make roads slippery in the mid-Atlantic and Northeast

1 hour ago

Weather News

Historic flooding grips Washington, putting entire towns underwater

1 day ago

Winter Weather

Break from the deep freeze: Central and Eastern US to warm this week

1 hour ago

Weather Forecasts

Northwest US flooding storms take a break, but Pineapple Express looms

1 hour ago

Astronomy

Geminid meteor shower peak to dazzle this weekend

1 day ago

 More Stories

Featured Stories

Recreation

Death Valley's ancient lake has returned after record rainfall

2 days ago

Recreation

Hiker rescued after getting trapped in Arches National Park

1 day ago

Climate

Underwater ‘storms’ are eating away at the Doomsday Glacier

3 days ago

Astronomy

Black hole’s feeding frenzy triggers longest cosmic explosion on recor...

3 days ago

Winter Weather

What’s the best direction for your house to face?

4 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...