For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

LIVE: Severe weather outbreak unfolds. Watch storm chasers, expert analysis.

Tropical Storm Arthur makes landfall in Texas. Click for the forecast.

St. Charles, MO

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.

Create Your Account Unlock extended daily and hourly forecasts — all with your free account.

Have an account already? Log In

settings

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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

8 PM

83°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

69%

Thunderstorms

Flood Warning

1:00 PM Tuesday - 1:00 AM Friday

Tornado Watch

2:15 PM Wednesday - 10:00 PM Wednesday

RealFeel Shade™80°

Heat Index86°

WindWSW 14 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts20 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

80°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

60%

Thunderstorms

Flood Warning

1:00 PM Tuesday - 1:00 AM Friday

Tornado Watch

2:15 PM Wednesday - 10:00 PM Wednesday

Heat Index84°

WindWSW 13 mph

Air QualityFair

Wind Gusts22 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

78°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Flood Warning

1:00 PM Tuesday - 1:00 AM Friday

WindWSW 10 mph

Air QualityFair

Wind Gusts23 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

76°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

Flood Warning

1:00 PM Tuesday - 1:00 AM Friday

WindW 9 mph

Air QualityFair

Wind Gusts20 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling19800 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 83° with a RealFeel® of 80°, thunderstorms with a 69% 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

Hurricane

Arthur makes landfall in Texas, to raise flood risk across southern US

1 hour ago

Severe Weather

New severe weather outbreak with tornadoes unfolding for Midwest

4 hours ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

3 hours ago

Live: World Cup 2026 weather updates

LATEST ENTRY

Tropical Storm Arthur may impact travel to Houston World Cup match

9 hours ago

Astronomy

Moon to align with 3 planets in the nights before the summer solstice

9 hours ago

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

1 hour ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

7 hours ago

Health

Pickle is the pumpkin spice of summer

2 days ago

Climate

A mysterious ‘cold blob’ in the ocean has puzzled scientists

5 days ago

Weather News

Submersible ride revealed whale graveyard. It holds more than bones

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 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

...

...

...