643
WWUS73 KLSX 090740
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
240 AM CDT Wed Sep 9 2026

ILZ069-070-074-079-101-102-MOZ074-075-084-085-099-092245-
/O.NEW.KLSX.HT.Y.0011.260909T1700Z-260910T0000Z/
Clinton IL-Marion IL-Washington IL-Randolph IL-Saint Clair IL-
Monroe IL-Saint Francois MO-Sainte Genevieve MO-Iron MO-Madison
MO-Reynolds MO-
Including the cities of Cahokia, Sparta, Centralia, Chester,
Farmington, Belleville, and Salem
240 AM CDT Wed Sep 9 2026

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING...

* WHAT...Heat index values up to 107 expected.

* WHERE...Portions of south central and southwest Illinois and
  southeast Missouri.

* WHEN...From noon today to 7 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Pfahler