


Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
Versions:
1
749 WWUS75 KTWC 301916 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 1216 PM MST Wed Jul 30 2025 AZZ501>507-509-515-311215- /O.NEW.KTWC.XH.W.0005.250801T1700Z-250804T0300Z/ Western Pima County-Tohono O`odham Nation-Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-South Central Pinal County- Southeast Pinal County-Upper San Pedro River Valley-Upper Gila River Valley-Baboquivari Mountains- Including the cities of Organ Pipe Cactus N.M., Benson, Picacho Peak State Park, Safford, Oracle, Vail, Sells, Nogales, Green Valley, Clifton, Ajo, Marana, Kitt Peak, Mammoth, Tucson, and Sierra Vista 1216 PM MST Wed Jul 30 2025 ...EXTREME HEAT WARNING IN EFFECT FROM 10 AM FRIDAY TO 8 PM MST SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 110 expected. * WHERE...Baboquivari Mountains, South Central Pinal County, Southeast Pinal County, Tohono O`odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...From 10 AM Friday to 8 PM MST Sunday. * 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. && $$ TGD