Weather Alerts For Supai, AZ

# HEADLINE -------------------- FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING # DETAILS -------------------- WHAT Flash flooding caused by excessive rainfall continues to be possible. WHERE All of northern and central Arizona. WHEN Through this evening. 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 continue this afternoon and evening. With deep monsoonal moisture in place and already saturated soils in some locations, an elevated risk of flash flooding will be in place through Monday. - Additional information is available at weather.gov/flagstaff. ISSUED AT Monday, August 31, 2026 at 2:34 AM MST ISSUED BY National Weather Service Flagstaff AZ HEADER Flood Watch # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Have a way to receive Flash Flood Warnings and be prepared to take action should warnings be issued. Consider changing your plans if you were going to hike, boat, or paddleboard to a slot canyon or normally dry wash. If you do still decide to recreate, check in at a nearby visitor center or ranger station. # AREAS AFFECTED -------------------- 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 Grand Canyon North Rim, Valle, Kayenta, Window Rock, St. Johns, Holbrook, Pinetop-Lakeside, Heber, Lees Ferry, Kykotsmovi, Cordes Junction, Page, Navajo National Monument, Bagdad, Wide Ruins, Seligman, Ash Fork, Shonto, Jadito, Wupatki National Monument, Kaibito, Flagstaff, Strawberry, Young, Supai, Snowflake, Happy Jack, Crown King, Munds Park, Payson, Jacob Lake, Camp Verde, Tusayan, Fort Defiance, Forest Lakes, Canyon De Chelly, Dilkon, Fredonia, Greer, Tuba City, Ganado, Klagetoh, Prescott, Steamboat Canyon, Chinle, Winslow, Show Low, Sanders, Cottonwood, Keams Canyon, Sedona, Village of Oak Creek, Chambers, Williams, Springerville, and Grand Canyon Village