The National Weather Service issued an Extreme Heat Warning for Northwest Valley, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, and East Valley, effective August 19 at 10:49 a.m. MST. The warning remains in effect until 8 p.m. MST on Sunday. Afternoon temperatures are expected to reach 108 to 111 degrees.
The warning carries a Major Heat Risk designation. Overexposure to these dangerously hot conditions can cause heat cramps and heat exhaustion, which without intervention may progress to heat stroke. Residents are advised to take extra precautions if working or spending time outdoors, reschedule strenuous activities to early morning or evening when possible, and drink plenty of water. Wearing lightweight and loose-fitting clothing is recommended.
Source: National Weather Service.
Sources
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- National Weather Service retrieved 19/08/2026 17:50
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 19/08/2026 17:50. Every claim traces to a source.
