271 WGUS75 KFGZ 220901 FFSFGZ Flash Flood Statement National Weather Service Flagstaff AZ 201 AM MST Thu Oct 22 2026 AZC005-220911- /O.CAN.KFGZ.FF.W.0194.000000T0000Z-261022T0930Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Coconino AZ- 201 AM MST Thu Oct 22 2026 /301 AM MDT Thu Oct 22 2026/ ...FLASH FLOOD WARNING IS CANCELLED FOR THE LITTLE COLORADO RIVER FROM CAMERON TO THE COLORADO RIVER... The Flash Flood Warning for the Little Colrado River from Cameron to the confluence with the Colorado River has been replaced by a Flood Warning through 200 PM MST /300 PM MDT/ this afternoon. A Flood Watch remains in effect until 1100 PM MST Thursday /1200 AM MDT Friday/ for portions of east central, north central, northeast, and west central Arizona. && LAT...LON 3590 11143 3590 11142 3599 11166 3608 11164 3620 11169 3620 11181 3618 11180 3618 11175 3617 11171 3613 11171 3611 11169 3609 11169 3607 11166 3606 11166 3605 11169 3596 11168 3594 11166 3589 11145 $$ Humphreys  741 WUUS55 KFGZ 220907 SVRFGZ AZC001-017-220930- /O.NEW.KFGZ.SV.W.0182.261022T0907Z-261022T0930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 207 AM MST Thu Oct 22 2026 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Navajo County in north central Arizona... Apache County in northeastern Arizona... * Until 230 AM MST /330 AM MDT/. * At 207 AM MST /307 AM MDT/, a severe thunderstorm was located 13 miles east of Sun Valley, or 20 miles east of Holbrook, moving north at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Petrified Forest National Park, Petrified Forest N.P. Headquarters and Petrified Forest National Wilderness Area. This includes Interstate 40 between mile markers 304 and 316. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3491 10984 3491 10988 3520 10994 3519 10966 3491 10977 TIME...MOT...LOC 0907Z 183DEG 33KT 3497 10982 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Humphreys  351 WWUS55 KFGZ 220918 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 218 AM MST Thu Oct 22 2026 AZC001-017-220930- /O.CON.KFGZ.SV.W.0182.000000T0000Z-261022T0930Z/ Apache AZ-Navajo AZ- 218 AM MST Thu Oct 22 2026 /318 AM MDT Thu Oct 22 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM MST /330 AM MDT/ FOR NAVAJO AND APACHE COUNTIES... At 218 AM MST /318 AM MDT/, a severe thunderstorm was located 16 miles northeast of Sun Valley, or 24 miles northeast of Holbrook, moving north at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Petrified Forest National Park, Petrified Forest N.P. Headquarters and Petrified Forest National Wilderness Area. This includes Interstate 40 between mile markers 305 and 316. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3498 10984 3500 10989 3520 10994 3519 10966 3497 10975 3496 10981 TIME...MOT...LOC 0907Z 184DEG 34KT 3498 10981 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Humphreys  548 WWUS55 KFGZ 220927 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 227 AM MST Thu Oct 22 2026 AZC001-017-220937- /O.EXP.KFGZ.SV.W.0182.000000T0000Z-261022T0930Z/ Apache AZ-Navajo AZ- 227 AM MST Thu Oct 22 2026 /327 AM MDT Thu Oct 22 2026/ ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 230 AM MST /330 AM MDT/ FOR NAVAJO AND APACHE COUNTIES... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1000 AM MST /1100 AM MDT/ Thursday for portions of north central and northeast Arizona. && LAT...LON 3498 10984 3500 10989 3520 10994 3519 10966 3497 10975 3496 10981 TIME...MOT...LOC 0918Z 184DEG 34KT 3509 10980 $$ Humphreys  015 WGUS75 KFGZ 220932 FFSFGZ Flash Flood Statement National Weather Service Flagstaff AZ 232 AM MST Thu Oct 22 2026 AZC001-221515- /O.CON.KFGZ.FF.W.0195.000000T0000Z-261022T1515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Apache AZ- 332 AM MDT Thu Oct 22 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM MDT THIS MORNING FOR APACHE COUNTY... At 332 AM MDT, a river gauge on Chine Creek within Canyon de Chelly National Monument reported water levels had fallen below flood stage. However, flooding will remain a threat in areas downstream of Canyon de Chelly through the morning hours. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...River gauge reported. IMPACT...Life threatening flash flooding of Chine Creek. For Chinle Creek at Chinle: At 3:00am the stage was 3.4 feet. Flood Stage is 4.0 feet. Impacts: At 3.6 feet: Chinle Creek becomes impassable to recreational vehicles. At 4.0 feet: Water begins to encroach upon structures just upstream of the Highway 64 bridge near the Canyon de Chelly welcome center. At 4.3 feet: Flooding to homes and residences in Chinle on left bank downstream from Highway 64 bridge. Some locations that will experience flash flooding include... Chinle, Canyon De Chelly National Monument and Mummy Cave Overlook. This includes the following recreation areas and campgrounds... Junction Overlook, White House Overlook, Antelope House Overlook and Face Rock Overlook. This includes the following creeks, washes and rivers... Chinle Wash, Coyote Wash, Muerto, Canyon del, Sheep Dip Creek, Black Rock Canyon and Nazlini Wash. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away! The banks of creeks and washes are unstable and unsafe during any flooding event. && LAT...LON 3626 10935 3618 10942 3616 10948 3616 10952 3617 10955 3620 10957 3634 10959 3636 10961 3620 10959 3615 10955 3615 10952 3610 10942 3610 10934 3611 10929 3613 10930 3612 10938 3614 10945 3616 10939 3622 10933 FLASH FLOOD...RIVER GAUGE INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ Humphreys