NWS Tucson Arizona

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Last Map Update: Thu, Sep 3, 2026 at 5:30:18 pm MST

Watches, Warnings & Advisories

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Flash Flood Warning

Flood Advisory

Flood Watch

Flash Flood Watch

Increasing Storm Chances and Heavy Rainfall Today

Chance for 1" of Rain Through Midnight

Chance for 2" of Rain Through Midnight

Showers and thunderstorms will increase in coverage with a risk for flash flooding. Areas that have the greatest risks are where previous heavy rain fell in the last 48 hrs.

Increasing moisture today will lead to scattered thunderstorms this afternoon and evening from central Pima County eastward. Storms will be capable of producing 1"-2" of rainfall, which could lead to areas of flash flooding.