Flash Flood Warning issued October 21 at 4:31PM MST until October 21 at 10:00PM MST by NWS Flagstaff AZ
Issue date: 2026-10-21T23:31+00:00
FFWFGZ The National Weather Service in Flagstaff has extended the * Flash Flood Warning for... The Moenkopi Wash in... Coconino County in north central Arizona... * Until 1000 PM MST /1100 PM MDT/. * At 431 PM MST /531 PM MDT/, a river gauge on the Moenkopi Wash remains in Major Flood Stage. Up to 1 inch of rain has fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Moenkopi Wash. SOURCE...River gauge reported. IMPACT...Life threatening flash flooding of areas in and around the Moenkopi Wash. * For Moenkopi Wash at Moenkopi Wash Near Tuba City: At 1:45pm MST /2:45pm MDT/ the stage was 31.82 feet. Flood Stage is 27.0 feet. Forecast: A crest of 30.97 feet is expected at 3:00pm MST /4:00pm MDT/ Wednesday. Impacts: At 27.0 feet: At 27.0 feet water begins to encroach on homes in lower Moenkopi Village and floods crop fields along the river. Some locations that will experience flash flooding include... Tuba City and Moenkopi. This includes the following highways... Highway 160 between mile markers 318 and 321. U.S. Highway 89 between mile markers 476 and 478. State Route 264 between mile markers 323 and 324. This includes the following creeks, washes and rivers... Moenkopi Wash, Little Colorado River, Hamblin Wash, Begashibito Wash and Fivemile Wash.
Flood Watch issued October 21 at 5:53AM MST until October 22 at 11:00PM MST by NWS Flagstaff AZ
Issue date: 2026-10-21T12:53+00:00
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...All of northern and central Arizona. * WHEN...Through Thursday evening. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - An upper-level trough will bring a deep surge of subtropical and tropical moisture into our region. Showers and thunderstorms will develop across much of northern and central Arizona early Wednesday morning and continue through Thursday evening. Stronger thunderstorms will bring threats of Flash Flooding, while more prolonged rainfall could lead to elevated flow in streams, rivers, and washes. - Additional information is available at weather.gov/flagstaff.
