NWS Statement: Extended Hot Weather Until Sunday

Note: Isolated Thunderstorms with hail and high winds possible

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
427 PM CDT MON JUL 2 2012

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
427 PM CDT MON JUL 2 2012 /527 PM EDT MON JUL 2 2012/

…EXTENDED PERIOD OF HOT WEATHER TO CONTINUE…

HOT AND HUMID CONDITIONS ARE FORECAST TO CONTINUE THROUGH SATURDAY
WITH HIGHS IN THE 90S…AND POSSIBLY NEARING 100 DEGREES AT
TIMES. HEAT INDEX READINGS OF 105 DEGREES OR HIGHER ARE POSSIBLE
DURING THE HOTTEST AFTERNOONS.

A WARM FRONT ACROSS THE AREA THIS AFTERNOON WILL LIFT NORTH ON
TUESDAY. THIS WILL LIKELY ALLOW HUMIDITY LEVELS TO DECREASE
SOMEWHAT DURING THE PEAK OF THE AFTERNOON HEAT ON TUESDAY WITH
HEAT INDEX VALUES TOPPING OUT AROUND 100. THE FRONT WILL SAG BACK
SOUTH ACROSS THE AREA WEDNESDAY…WITH MOISTURE POOLING NEAR ALONG
THE FRONT PRODUCING HIGHER HUMIDITY LEVELS AND RESULTING IN HIGHER
HEAT INDEX READINGS WEDNESDAY AFTERNOON. THE COMBINED EFFECT OF
HEAT AND HUMIDITY WILL LIKELY BE GREATEST WEDNESDAY…THURSDAY AND
FRIDAY AFTERNOONS…WITH HEAT INDEX VALUES BETWEEN 100 AND 110.
RELIEF IS NOT EXPECTED UNTIL SUNDAY…AFTER ANOTHER COLD FRONT
MOVES THROUGH.

THE LONG DURATION OF THIS HEAT WAVE WILL TAKE A TOLL ON THOSE
MOST SUSCEPTIBLE TO HEAT. HOSPITALS… EMERGENCY MANAGERS…AND
THOSE RESPONSIBLE FOR HANDLING HEAT RELATED ILLNESS SHOULD PREPARE
NOW FOR THE POTENTIAL OF AN EXTENDED HEAT WAVE.