weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for: Saint Louis MO
Share |


Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAINT LOUIS MO
427 AM CDT SAT JUL 23 2016

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-240000-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-SAINT CLAIR IL-MONROE IL-KNOX MO-
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN MO-GASCONADE MO-WARREN MO-SAINT CHARLES MO-FRANKLIN MO-
SAINT LOUIS MO-SAINT LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
427 AM CDT SAT JUL 23 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR THE ENTIRE AREA
TODAY. MAXIMUM HEAT INDEX VALUES BETWEEN 100 AND 112 DEGREES ARE
LIKELY ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR THE ENTIRE AREA
UNTIL SUNDAY EVENING. MAXIMUM HEAT INDEX VALUES BETWEEN 100 AND
112 DEGREES ARE LIKELY ACROSS THE AREA.

A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

$$

KANOFSKY




Excessive Heat Warning

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
345 AM CDT SAT JUL 23 2016

ILZ100>102-MOZ061-063>065-240000-
/O.CON.KLSX.EH.W.0001.000000T0000Z-160725T0100Z/
JEFFERSON MO-MADISON IL-MONROE IL-SAINT CHARLES MO-SAINT CLAIR IL-
SAINT LOUIS CITY MO-SAINT LOUIS MO-
INCLUDING THE CITIES OF...ALTON...BELLEVILLE...CAHOKIA...
EDWARDSVILLE...SAINT CHARLES...SAINT LOUIS
345 AM CDT SAT JUL 23 2016

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT
SUNDAY...

* TIMING...HEAT INDEX VALUES WILL RISE ABOVE 105 DEGREES EACH
  AFTERNOON THROUGH SUNDAY.

* HEAT INDEX VALUES...UP TO 110 DUE TO TEMPERATURES IN THE UPPER
  90S AND DEWPOINTS IN THE MID 70S.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH
  HUMIDITY WILL LIKELY LEAD TO AN INCREASED RISK OF HEAT-RELATED
  STRESS AND ILLNESS. THE VERY YOUNG...THE ELDERLY...THOSE
  WITHOUT AIR CONDITIONING...AND THOSE PARTICIPATING IN
  STRENUOUS OUTDOOR ACTIVITIES WILL BE THE MOST SUSCEPTIBLE.
  ALSO...CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER
  OF MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES AND HIGH HUMIDITY WILL OCCUR. IN
ADDITION...NIGHTTIME CONDITIONS WILL REMAIN WARM AND MUGGY
PROVIDING LITTLE CHANCE FOR RELIEF. THIS COMBINATION WILL CREATE
A DANGEROUS SITUATION IN WHICH HEAT-RELATED ILLNESSES ARE
LIKELY...ESPECIALLY FOR THOSE LIVING IN UN-AIR CONDITIONED HOMES
OR APARTMENTS.

PEOPLE IN THE SAINT LOUIS METROPOLITAN AREA CAN GET INFORMATION
ABOUT COOLING CENTERS OR ENERGY ASSISTANCE RELATED TO THE
EXCESSIVE HEAT BY CALLING THE UNITED WAY OF GREATER SAINT LOUIS
AT 800-427-4626...OR IF CALLING FROM A LAND LINE PHONE DIAL 2-1-
1. YOU CAN ALSO CALL COOL DOWN SAINT LOUIS AT 314-241-7668.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE