Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Heat dome collapse to spark thunderstorms. Get the forecast. Chevron right

Lemay, MO

89°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lemay

Missouri

89°
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
Lemay, 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

3 PM

90°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 61%
Chevron down
Thunderstorms
alerts

Severe Thunderstorm Watch

1:41 PM Saturday - 7:00 PM Saturday
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™97°

Heat Index107°

WindSW 6 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts8 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.45 in

Visibility2 mi

Cloud Ceiling1900 ft

4 PM

88°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Severe Thunderstorm Watch

1:41 PM Saturday - 7:00 PM Saturday
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™93°

Heat Index96°

WindSSW 6 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts7 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14600 ft

5 PM

86°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 23%
Chevron down
Mostly cloudy
alerts

Severe Thunderstorm Watch

1:41 PM Saturday - 7:00 PM Saturday
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™91°

Heat Index93°

WindS 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts8 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling18000 ft

6 PM

84°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 23%
Chevron down
Mostly cloudy
alerts

Severe Thunderstorm Watch

1:41 PM Saturday - 7:00 PM Saturday
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™89°

Heat Index90°

WindSSE 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling21400 ft

7 PM

82°
RealFeel® 88°
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
rain drop 28%
Chevron down
Cloudy
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™88°

Heat Index87°

WindSSE 7 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling24800 ft

8 PM

78°
RealFeel® 84°
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
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™84°

Heat Index80°

WindE 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling26600 ft

9 PM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.08 in

Visibility5 mi

Cloud Ceiling4000 ft

10 PM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

WindSSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Lemay

AccuWeather's hourly forecast for Lemay provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 102°, thunderstorms with a 61% 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

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Extreme heat to shift west into mid-July prior to return of monsoon

2 hours ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

1 day ago

Health

CDC: 125 ill in Princess cruise ship norovirus outbreak

1 day ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Philadelphia faces dangerous heat, storms for Paraguay-France match

1 hour ago

Severe Weather

Severe storms, flooding downpours to highlight collapse of heat dome

15 minutes ago

 More Stories

Featured Stories

Weather News

Texas Hill Country marks 1 year since deadly July 4 flood

1 day ago

Weather News

What is the most American animal?

2 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

4 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

4 days ago

Recreation

Girl survives rabid bat attack after receiving lifesaving treatment

2 days ago
World North America United States Missouri Lemay

Weather Near Lemay:

  • O'Fallon, MO
  • St. Charles, MO
  • 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

...

...

...