Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe thunderstorms threatening the Plains through Sunday. Get the forecast Chevron right
Potential tropical development in Gulf poses primary US threat before end of September. Click for latest Chevron right

Bay, MO

96°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Bay

Missouri

96°
No results found.
Try searching for a city, zip code or point of interest.
settings
Bay, 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
Saturday, September 13

Day

9/13
96°Hi
RealFeel® 103°
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
RealFeel Shade™ 96°
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
Hot with sun followed by clouds; caution advised if outside for extended periods of time

Max UV Index6.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 5 mph

Wind Gusts13 mph

Probability of Precipitation7%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover11%

Morning

Afternoon

Night

9/13
66°Lo
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy

WindSW 5 mph

Wind Gusts13 mph

Probability of Precipitation3%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover39%

Evening

Overnight

Sun & Moon

12 hrs 32 mins
Rise 6:46 AM
Set 7:18 PM
Waning Gibbous
Rise 10:58 PM
Set 3:01 PM

Temperature History

9/13
High
Low
Forecast
96°
66°
Average
80°
58°
Last Year
70°
65°
Record
96°
1956
42°
2015

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Potential tropical development in Gulf poses primary U.S. threat

10 hours ago

Weather Forecasts

Highs 90-100 F to challenge heat records in Mississippi Valley

5 hours ago

Astronomy

Chi Cygnid meteor shower peaks this weekend, won’t return until 2030

3 hours ago

Weather Forecasts

From parched lawns to wildfire risk, dry spell expands across the East

4 hours ago

Hurricane

Western US to heat up ahead of next surge of tropical moisture

4 hours ago

 More Stories

Featured Stories

Health

Endangered sharks found in mislabeled U.S. seafood

1 day ago

Weather News

Surfside condo collapse likely began on pool deck, investigators say

3 days ago

Weather News

NOAA launches robotic hurricane research vessels

1 week ago

Hurricane

125 years later, Galveston hurricane is still the deadliest U.S. storm

5 days ago

Climate

Scientists find a surprising reason why people are eating more sugar

5 days ago
World North America United States Missouri Bay

Weather Near Bay:

  • 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 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

...

...

...