NWS Tucson Arizona

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6-10 day Temperature and Precipitation Outlook

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Last Map Update: Sat, Oct 31, 2026 at 2:26:35 am MST

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Flood Warning

Flood Watch

Rain and Flooding Outlook - Sat Night thru Mon AM

Halloween Outlook

Flood Watch is in effect for all of southeast Arizona from 11 PM Saturday through 5 AM Monday.

A potent weather system will move through Sunday through Sunday night resulting in widespread rain and embedded thunderstorms. This will result in the potential for flash flooding. Most likely rainfall amounts will range from about 0.5" to 1.75" for much of the region with 2+ inches in the mountains and even potentially for some valley locations north of Tucson.