Coconino County, Arizona, Sunday, October 11, 2026

“Severe Thunderstorm Warning issued October 11 at 7:36AM MST until October 11 at 8:00AM MST by NWS Flagstaff AZ”

At 736 AM MST /836 AM MDT/, severe thunderstorms were located along a line from 25 miles northwest of Sedona to 13 miles north of Flagstaff, moving northwest at 50 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Flagstaff, East Flagstaff, Doney Park, Williams, Timberline, Downtown Flagstaff, Fort Valley, Red Lake, Parks, Fernwood, Bellemont, Garland Prairie, Sherwood Forest Estates, Wupatki Trails, Pine Mountain Estates, Government Prairie, Maine, Camp Navajo and Inner Basin. This includes the following highways... Interstate 40 between mile markers 161 and 195. Business Interstate 40 between mile markers 163 and 165. U.S. Highway 89 between mile markers 420 and 425...and between mile markers 428 and 433. Route 66 between mile markers 192 and 197...and near mile marker 199. Highway 180 between mile markers 217 and 256. State Route 64 between mile markers 186 and 202. This includes the following recreation areas and campgrounds... White Horse Lake Campground, Camp Raymond, Dogtown Lake Campground, Lockett Meadow Campground, Kaibab Lake Campground, Locket Meadow Campground, Woody Mountain Campground, Ponderosa Trails Park, Thorpe Park, Wheeler Park, Buffalo Park, McPherson Park and Bushmaster Park. This includes the following swimming holes... Sycamore Falls, Lower Sycamore Falls "The Golden Pond" and Paradise Forks.

Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage.

“Severe Thunderstorm Warning issued October 11 at 7:26AM MST until October 11 at 8:00AM MST by NWS Flagstaff AZ”

SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Coconino County in north central Arizona... Yavapai County in west central Arizona... * Until 800 AM MST /900 AM MDT/. * At 726 AM MST /826 AM MDT/, severe thunderstorms were located along a line from 16 miles northwest of Sedona to 7 miles northeast of Flagstaff, moving northwest at 40 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Flagstaff, East Flagstaff, Doney Park, Williams, Timberline, Downtown Flagstaff, Kachina Village, Fort Valley, Red Lake, Mountain View Ranches, Forest Highlands, Parks, Fernwood, Pioneer Valley, Valle, Cosnino, Bellemont, Ash Fork, Mountainaire and Garland Prairie. This includes the following highways... Interstate 40 between mile markers 146 and 206. Business Interstate 40 between mile markers 146 and 165. Interstate 17 between mile markers 334 and 339. U.S. Highway 89 between mile markers 419 and 440. Route 66 between mile markers 192 and 204. State Route 89A between mile markers 393 and 398. Highway 180 between mile markers 217 and 260. State Route 64 between mile markers 186 and 206. This includes the following recreation areas and campgrounds... White Horse Lake Campground, Camp Raymond, Dogtown Lake Campground, Lockett Meadow Campground, Kaibab Lake Campground, Bill Williams Campground, Locket Meadow Campground, Taylor Cabin Line Camp, Bonito Campground, Woody Mountain Campground, O'Leary Group Campground, Fort Tuthill Campground, Ponderosa Trails Park, Thorpe Park, Wheeler Park, Foxglenn Park, Buffalo Park, McPherson Park, Bushmaster Park and Picture Canyon Preserve. This includes the following swimming holes... Sycamore Falls, Lower Sycamore Falls "The Golden Pond" and Paradise Forks.

Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. These storms may cause serious injury and significant property damage.

“Flash Flood Warning issued October 11 at 12:58AM MST until October 11 at 8:00AM MST by NWS Flagstaff AZ”

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... The Moenkopi Wash in... Coconino County in north central Arizona... * Until 800 AM MST /900 AM MDT/ Tonight. * At 1258 AM MST /158 AM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the Moenkopi Wash. 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...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Moenkopi Wash. * 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... Little Colorado River, Begashibito Wash, Hamblin Wash, Fivemile Wash and Moenkopi Wash.

This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Moenkopi Wash. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Be especially cautious at night when it is harder to recognize the dangers of flooding. Low water crossings will become dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.