424
WWUS73 KLSX 240612
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
112 AM CDT Fri Jul 24 2026

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-242115-
/O.NEW.KLSX.XH.A.0002.260726T1600Z-260729T0000Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
Including the cities of Saint Charles, Centralia, Fulton, Union,
Sullivan, Columbia, Mount Sterling, Hannibal, Farmington, Cahokia,
Washington, Chester, Salem, Edwardsville, Sparta, Quincy, Belleville,
Saint Louis, Jefferson City, Bowling Green, Alton, Vandalia, Mexico,
Pittsfield, and Litchfield
112 AM CDT Fri Jul 24 2026

...EXTREME HEAT WATCH IN EFFECT FROM SUNDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 110
  possible.

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

* WHEN...From Sunday morning through Tuesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

Elmore