# HEADLINE
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FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING
# DETAILS
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WHAT
Flash flooding caused by excessive rainfall is possible.
WHERE
All of northern and central Arizona.
WHEN
From late tonight 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.
ISSUED AT
Tuesday, October 20, 2026 at 12:37 AM MST
ISSUED BY
National Weather Service Flagstaff AZ
HEADER
URGENT - IMMEDIATE BROADCAST REQUESTED | Flood Watch
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Have a way to receive Flash Flood Warnings and be prepared to take action should warnings be issued.
# AREAS AFFECTED
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Coconino Plateau, Little Colorado River Valley in Navajo County, Northeast Plateaus and Mesas South of Hwy 264, Black Mesa Area, Chinle Valley, Chuska Mountains and Defiance Plateau, Eastern Mogollon Rim, Grand Canyon Country, Kaibab Plateau, Little Colorado River Valley in Apache County, Little Colorado River Valley in Coconino County, Marble and Glen Canyons, Northeast Plateaus and Mesas Hwy 264 Northward, Northern Gila County, Oak Creek and Sycamore Canyons, Western Mogollon Rim, White Mountains, Yavapai County Mountains, Yavapai County Valleys and Basins
Including the cities of Kaibito, Village of Oak Creek, Seligman, Fredonia, Wide Ruins, Valle, Ash Fork, Winslow, Klagetoh, Lees Ferry, Prescott, Tuba City, Kayenta, Bagdad, Navajo National Monument, Chambers, Crown King, Sedona, Show Low, Ganado, Snowflake, Forest Lakes, Window Rock, Springerville, Greer, Pinetop-Lakeside, Cordes Junction, Jadito, Jacob Lake, Happy Jack, Steamboat Canyon, Grand Canyon Village, Munds Park, Fort Defiance, Shonto, Wupatki National Monument, Tusayan, Chinle, Williams, Page, Keams Canyon, Holbrook, Supai, Dilkon, Sanders, Payson, Kykotsmovi, Heber, Strawberry, Grand Canyon North Rim, Young, St. Johns, Canyon De Chelly, Cottonwood, Camp Verde, and Flagstaff