Special Weather Statement

..HOT AND VERY HUMID CONDITIONS EXPECTED LATE WEEKEND INTO NEXT WEEK...

AN UPPER LEVEL HIGH PRESSURE IS EXPECTED TO BUILD INTO THE
CENTRAL UNITED STATES OVER THE WEEKEND AND CONTINUE TO INFLUENCE
THE WEATHER THROUGH NEXT WEEK. THIS IS EXPECTED TO RESULT IN HOT
AND VERY HUMID CONDITIONS FOR MUCH OF NORTHERN ILLINOIS AND
NORTHWEST INDIANA BEGINNING SUNDAY AFTERNOON AND CONTINUING
THROUGH THURSDAY. A BRIEF BREAK IN THE HEAT IS EXPECTED TUESDAY.

TEMPERATURES SUNDAY ARE EXPECTED TO RISE INTO THE LOWER 90S SUNDAY
WITH HEAT INDEX VALUES APPROACHING 100 DEGREES. THEN ON MONDAY
TEMPERATURES ARE EXPECTED TO WARM FURTHER INTO THE LOWER 90S WITH
HEAT INDEX VALUES POSSIBLY PUSHING ABOVE 100 DEGREES TO 105 ALONG
AND WEST OF A ROCKFORD TO PONTIAC LINE.

AFTER MINOR RELIEF IN THE HEAT AND HUMIDITY TUESDAY...TEMPERATURES
WEDNESDAY AND THURSDAY MAY PUSH INTO THE MIDDLE 90S. HEAT INDEX
VALUES MAY ALSO PUSH BACK ABOVE 100 DEGREES BOTH OF THESE DAYS AS
WELL.

DURING VERY HOT WEATHER IT IS CRITICAL TO STAY HYDRATED BY
DRINKING PLENTY OF WATER. STRENUOUS OUTDOOR ACTIVITIES SHOULD BE
SCHEDULED DURING THE EARLY MORNING OR EVENING HOURS. WEAR LIGHT
WEIGHT AND LOOSE FITTING CLOTHING...AND REMAIN IN AIR CONDITIONED
LOCATIONS.

STAY TUNED TO NWS CHICAGO OR YOUR LOCAL MEDIA OUTLETS FOR FORECAST
UPDATES AND STATEMENTS ON THIS DEVELOPING HEAT WAVE.