Full Notification

* WHAT...Dangerously hot conditions with heat index values of 105 to 115, possibly reaching 120 degrees in some locations.

* WHERE...Portions of south central, southwest, and west central Illinois. Portions of central, east central, northeast, and southeast Missouri.

* WHEN...Until 10 PM CDT Friday.

* IMPACTS...A historic heat wave is underway, due to the combination of extreme heat and humidity over a period of multiple days. Heat related illnesses increase significantly during extreme heat and high humidity events, particularly during long-duration events such as these.

* AFFECTED AREAS: GREENE ... MACOUPIN ... MONTGOMERY ... BOND ... FAYETTE ... CLINTON ... MARION ... WASHINGTON ... RANDOLPH ... ADAMS ... BROWN ... PIKE ... CALHOUN ... JERSEY ... MADISON ... ST. CLAIR ... MONROE ... KNOX ... LEWIS ... SHELBY ... MARION ... MONROE ... RALLS ... PIKE ... BOONE ... AUDRAIN ... MONITEAU ... COLE ... OSAGE ... CALLAWAY ... MONTGOMERY ... LINCOLN ... GASCONADE ... WARREN ... ST. CHARLES ... FRANKLIN ... ST. LOUIS ... ST. LOUIS CITY ... JEFFERSON ... CRAWFORD ... WASHINGTON ... ST. FRANCOIS ... STE. GENEVIEVE ... IRON ... MADISON ... REYNOLDS

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. 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 lightweight and loose fitting clothing when possible. 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.