The NWS has issued a HEAT AVISORY from 7/17/15 1:00 p.m. until 7/19/15 8:00 p.m. 
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
346 PM CDT THU JUL 16 2015
ILZ100>102-MOZ061-063>065-171200-
/O.NEW.KLSX.HT.Y.0003.150717T1800Z-150720T0100Z/
JEFFERSON MO-MADISON IL-MONROE IL-ST. CHARLES MO-ST. CLAIR IL-
ST. LOUIS CITY MO-ST. LOUIS MO-
INCLUDING THE CITIES OF...BELLEVILLE...EDWARDSVILLE...
ST CHARLES...ST LOUIS
346 PM CDT THU JUL 16 2015
...HEAT ADVISORY IN EFFECT FROM 1 PM FRIDAY TO 8 PM CDT SUNDAY...
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM FRIDAY TO 8 PM CDT
SUNDAY.
* TIMING...HEAT INDEX VALUES WILL REACH AT LEAST 100 DEGREES FOR
FOUR DAYS IN A ROW STARTING ON THURSDAY. THE MOST OPPRESSIVE
DAYS WILL BE ON SATURDAY AND SUNDAY.
* HEAT INDEX VALUES...BETWEEN 100 AND 105 ON FRIDAY...AND BETWEEN
105 AND 110 ON BOTH SATURDAY AND SUNDAY.
* 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...
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO THE EARLY MORNING
OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.
TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY. CALL 9-1-1 IMMEDIATELY.
Address/Location
City of St. Louis Emergency Management
1915 Olive St
St. Louis, MO 63103
Contact
Emergency: 9-1-1