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WWUS73 KLSX 190737
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
237 AM CDT Thu Jun 19 2025

ILZ099>102-MOZ061-063>065-192245-
/O.NEW.KLSX.XH.A.0001.250621T1700Z-250625T0200Z/
Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Saint Charles MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Saint Charles, Edwardsville, Belleville,
Saint Louis, Cahokia, and Alton
237 AM CDT Thu Jun 19 2025

...EXTREME HEAT WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
TUESDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 106
  degrees, and low temperatures in the mid to upper 70s, for several
  consecutive days.

* WHERE...In Illinois, Jersey IL, Madison IL, Monroe IL, and Saint
  Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO,
  Saint Louis City MO, and Saint Louis MO Counties.

* WHEN...From Saturday afternoon 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

&&

$$

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