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

Official severe-weather alerts, warning areas, and disaster updates.

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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.

Event time

Oct 11, 2026, 2:26 PM UTC

Source last updated

Oct 11, 2026, 2:26 PM UTC

Current version retrieved

Oct 11, 2026, 2:32 PM UTC

Provider

NWS — active weather alerts (Storm)

Location

AZ, US

Severity

Severe

area

Coconino, AZ; Yavapai, AZ

event

Severe Thunderstorm Warning

onset

2026-10-11T07:26:00-07:00

states

["AZ"]

urgency

Immediate

certainty

Observed

effective

2026-10-11T07:26:00-07:00

message id

urn:oid:2.49.0.1.840.0.741cf0b444f58fb6e82a79cb23627850742d2494.001.1

references

[]

instruction

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.

message type

Alert

freshness minutes

60

Source use policy · US government work (17 U.S.C. 105)

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