297 

WWUS75 KTWC 230910

NPWTWC



URGENT - WEATHER MESSAGE

National Weather Service Tucson AZ

210 AM MST Sun Aug 23 2026



AZZ501-502-504>506-509-232300-

/O.CON.KTWC.XH.W.0006.000000T0000Z-260830T0300Z/

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 Vail, Ajo, Clifton, Organ Pipe Cactus

N.M., Marana, Safford, Mammoth, Tucson, Picacho Peak State Park,

Green Valley, Sells, and Oracle

210 AM MST Sun Aug 23 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 through Tuesday and then widespread

  Major to Extreme HeatRisk Wednesday through Saturday.





* 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.



&&



$$



GEL