Dust Storm — Western Pima County, Arizona

2025-08-31 · Western Pima County, Arizona

Event narrative

Trained spotter reported a dust storm along I-10 in San Simon that reduced visibility to less than 0.25 miles.

Wider weather episode

Strong thunderstorms moved southwestward from New Mexico into San Simon that lofted areas of blowing dust creating a dust storm. Additionally, the heavy rainfall from the thunderstorm activity damaged two roadways that were closed for an unknown duration of time.

Source: NOAA Storm Events Database, event_id 1291735. Narrative written by the NWS forecast office that issued the report.