The National Weather Service issued a Dust Advisory for Maricopa and Pinal counties effective at 9:10 PM MST on July 20, expiring at 10:15 PM MST. At 9:09 PM, areas of blowing dust were observed along a line extending from near Casa Grande to 6 miles northwest of Estrella Sailport to near Waddell, moving southwest at 30 mph. Visibility dropped below one mile with winds exceeding 40 mph.
The advisory affects multiple highways including Interstate 10 between mile markers 88 and 133, and between mile markers 187 and 204; Interstate 8 between mile markers 106 and 178; and US Highway 60 between mile markers 131 and 145. Impacted communities include Glendale, Surprise, Avondale, Goodyear, Buckeye, Casa Grande, El Mirage, Tolleson, Youngtown, Gila Bend, Waddell, Cashion, Tonopah, Sun City West, and Maricopa. Motorists should avoid blowing dust if possible; if caught in dense dust, pull off the road, turn off lights, and keep your foot off the brake.
Source: National Weather Service.
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- National Weather Service retrieved 21/07/2026 04:14
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 21/07/2026 04:14. Every claim traces to a source.
