406 
WWUS74 KAMA 190446
NPWAMA

URGENT - WEATHER MESSAGE
National Weather Service Amarillo TX
1146 PM CDT Tue Aug 18 2026

TXZ010-014-015-018>020-317-191915-
/O.NEW.KAMA.HT.Y.0039.260819T1700Z-260820T0200Z/
Hemphill-Gray-Wheeler-Armstrong-Donley-Collingsworth-Palo Duro
Canyon-
Including the cities of Shamrock, Palo Duro Canyon State Park,
Claude, Lutie, Clarendon, Dozier, Briscoe, Glazier, Wayside,
Samnorwood, Washburn, Lake Marvin, Goodnight, Kingsmill, Pampa, Lela,
Canadian, Wheeler, Twitty, and Wellington
1146 PM CDT Tue Aug 18 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY...

* WHAT...Temperatures as high as 107 degrees.

* WHERE...Armstrong, Collingsworth, Donley, Gray, Hemphill, and
  Wheeler Counties.  Palo Duro Canyon.

* WHEN...From noon to 9 PM CDT Wednesday.

* IMPACTS...Hot temperatures 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.

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.

&&

$$

DGW