A Heat Advisory for the Chicago area, including Arlington Heights and Cook County, was issued at 4:04 a.m. Monday. The Heat Advisory goes into effect at 11:00 a.m. CDT to 8 p.m. Monday. Showers dropping in overnight with associated elevated dew points into the mid-70’s, and clouds expected to break about late morning or noon, are expected to bring the heat index over 100°F. The Chicago area Air Quality Alert has expired. Chicago’s AQI is moderate, which forecast air quality that can affect individuals sensitive to pollutants.
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
404 AM CDT MON JUL 18 2011
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF…ROCKFORD…BELVIDERE…WOODSTOCK…
WAUKEGAN…OREGON…DIXON…DEKALB…AURORA…WHEATON…CHICAGO…
OTTAWA…OSWEGO…MORRIS…JOLIET…KANKAKEE…PONTIAC…
WATSEKA…PAXTON…GARY…VALPARAISO…MOROCCO…RENSSELAER…
FOWLER
404 AM CDT MON JUL 18 2011 /504 AM EDT MON JUL 18 2011/
…HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM CDT /NOON EDT/ THIS
MORNING TO 8 PM CDT /9 PM EDT/ THIS EVENING…
A HEAT ADVISORY IS IN EFFECT FOR TODAY AND THIS EVENING.
* TEMPS/HEAT INDEX…HIGH TEMPERATURES WILL RISE INTO THE LOWER
AND MID 90S TODAY. COMBINED WITH THE VERY MOIST AIR OVER THE
AREA AFTERNOON HEAT INDICES OF 100 TO 110 DEGREES ARE EXPECTED.
* IMPACTS…THE HIGH HEAT AND HUMIDITY…COMBINED WITH SKIES
BECOMING MOSTLY SUNNY BY MIDDAY…WILL INCREASE THE POTENTIAL
FOR HEAT RELATED ILLNESSES SHOULD PROPER PRECAUTIONS NOT BE
TAKEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A HEAT ADVISORY MEANS THAT A PERIOD OF HOT WEATHER IS EXPECTED.
HIGH TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DURING VERY HOT
WEATHER IT IS CRITICAL TO STAY HYDRATED BY DRINKING PLENTY OF
WATER. IN ADDITION CHECK UP ON RELATIVES…ELDERLY AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS…IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE…RESCHEDULE STRENUOUS ACTIVITIES TO 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.
A HEAT ADVISORY MEANS THAT A PERIOD OF HOT WEATHER IS EXPECTED.
HIGH TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF
FLUIDS…STAY IN AN AIR-CONDITIONED ROOM…STAY OUT OF THE SUN…
AND CHECK UP ON RELATIVES AND NEIGHBORS.
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES
UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING HOT
WEATHER WHEN THE CAR INTERIOR CAN REACH LETHAL TEMPERATURES IN A
MATTER OF MINUTES!