For Business
|
Warnings
Forecasts
Data Suite
Forensics
Local Media

Conditions primed for ‘rapid intensification’ as Atlantic hurricane season gears up. See the forecast

St. Charles, MO

70°F

Location

Location News Videos

Use Current Location

Recent

St. Charles

Missouri

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

Video

Winter Center

Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

May 21

Overnight

5/21

51°

RealFeel® 48°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

Clear

WindWNW 7 mph

Wind Gusts9 mph

Humidity82%

Dew Point47°

Probability of Precipitation13%

Precipitation0.00 in

Cloud Cover10%

Visibility10 mi

Morning

Day & Night

Sun & Moon

14 hrs 27 mins

Rise 5:45 AM

Set 8:12 PM

Waning Crescent

Rise 2:25 AM

Set 1:59 PM

Temperature History

5/21

High

Low

Forecast

74°

51°

Average

78°

60°

Last Year

91°

73°

Record

93°

1941

38°

1883

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Daily threat of severe storms to extend into Memorial Day weekend

3 hours ago

Severe Weather

‘It’s a war zone’: Kentucky begins recovery after deadly tornadoes

1 day ago

Hurricane

Atlantic hurricane season is almost here, and it could be a busy year

7 hours ago

Severe Weather

Over 900 tornadoes makes this season worst since 2011

6 hours ago

Weather Forecasts

May misery for Northeast as a chilly rainstorm unfolds

5 hours ago

Featured Stories

Weather News

Hikers find mysterious stash of gold hidden on a mountain trail

1 day ago

Weather News

4 people sought shelter from the eruption of Mount Vesuvius

2 days ago

Weather News

5 fateful minutes led to the deadly Brooklyn Bridge ship collision

1 day ago

Weather News

First major piece of Bayesian superyacht recovered from seabed

1 day ago

Weather News

19th century shipwreck discovered off Australian coast

2 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

Get AccuWeather alerts as they happen with our browser notifications.

Notifications Enabled

Thanks! We’ll keep you informed.

ComScore