Expires:202507192300;Remove:202507192300;698844
WWUS73 KLSX 190756
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
256 AM CDT Sat Jul 19 2025


ILZ058>060-064-065-069-070-074-095>099-MOZ018-019-026-027-034>036-
192300-
/O.EXT.KLSX.XH.A.0002.250721T1700Z-250725T0000Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Adams IL-Brown IL-Pike IL-Calhoun IL-
Jersey IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-
Pike MO-
Including the cities of Litchfield, Mount Sterling, Hannibal,
Salem, Pittsfield, Quincy, Centralia, Vandalia, and Bowling Green
256 AM CDT Sat Jul 19 2025

...EXTREME HEAT WATCH NOW IN EFFECT FROM MONDAY AFTERNOON THROUGH 
THURSDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 108 
  possible for several consecutive days, and morning low 
  temperatures in the mid 70s.

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

* WHEN...From Monday afternoon through Thursday evening.

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

* ADDITIONAL DETAILS...The long duration of this event is likely to 
  worsen heat related impacts, and additional extensions may be 
  needed beyond Thursday as forecast confidence increases.

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.

&&

$$

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