Flash Flood Warning for Pima and Pinal Counties Through 1:45 PM

Pima County, Arizona — The National Weather Service in Tucson has issued a Flash Flood Warning for northeastern Pima County and south central Pinal County in southeastern Arizona, in effect until 1:45 PM MST (2:45 PM CT) today, November 1.

What is happening:

Doppler radar and automated rain gauges showed heavy rain falling across the warned area, with about an inch of rain measured in the past hour. Flash flooding is happening now or is expected shortly. The warning includes Tucson, Catalina, Oro Valley, Marana, Oracle, Casas Adobes, Drexel Heights, Flowing Wells, Saddlebrooke, South Tucson and the Catalina Foothills.

Local impacts:

Heavy rain can flood small creeks and streams, urban areas, highways, streets and underpasses, as well as other low-lying and poor-drainage spots. Flood-prone crossings in the Tucson area are among the places to avoid until the rain eases.

What to do:

- Turn around, do not drown. Never drive through a flooded road or around a barricade.

- Move to higher ground right away if water starts rising near you.

- Stay away from creeks, washes and drainage channels during heavy rain.

- If you see water rising around you, get to higher ground immediately.

Source: National Weather Service, Tucson, November 1, 2026.