OFFICIAL · Severe weather

Flood Watch issued October 11 at 3:21AM MST until October 12 at 5:00AM MST by NWS Flagstaff AZ

Observed Oct 11 2026, 10:21 UTC · Updated Oct 11 2026, 11:32 UTC

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...western Coconino, northern Gila, far southern Navajo, and Yavapai counties. * WHEN...Through late tonight. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Showers and thunderstorms are expected to increase in coverage through today. With deep tropical moisture in place from the remnants of Tropical Storm Rachel, periods of embedded heavy rainfall will be possible leading to flash flooding. Additionally, the extended period of rain could lead to elevated flow in creeks, normally dry washes, and rivers. - Additional information is available at weather.gov/flagstaff. Have a way to receive Flash Flood Warnings and be prepared to take action should warnings be issued.

Location 36.490, -112.146. ARC Warning did not create the underlying report.

Sources

• OFFICIAL

  nws

  Flood Watch issued October 11 at 3:21AM MST until October 12 at 5:00AM MST by NWS Flagstaff AZ

  Oct 11 2026, 10:21 UTC

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