802
WWUS75 KTWC 210254
NPWTWC

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
754 PM MST Thu Aug 20 2026

AZZ501-502-504>506-509-212015-
/O.CON.KTWC.XH.W.0006.000000T0000Z-260823T0300Z/
Western Pima County-Tohono O`odham Nation-Tucson Metro Area-South
Central Pinal County-Southeast Pinal County-Upper Gila River
Valley-
Including the cities of Mammoth, Tucson, Green Valley, Ajo, Organ
Pipe Cactus N.M., Vail, Sells, Marana, Picacho Peak State Park,
Safford, Clifton, and Oracle
754 PM MST Thu Aug 20 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...

* WHAT...Dangerously hot conditions with high temperatures ranging
  between 103 to 111 degrees and low temperatures 79 to 85 degrees.
  Major HeatRisk is expected.


* WHERE...Pinal County, Tohono O`odham Nation, Tucson Metro Area,
  Upper Gila River Valley, and Western Pima County.

* WHEN...Until 8 PM MST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 and
drink plenty of water.

&&

$$

KM