744 WGUS55 KSLC 211904 FFWSLC UTC053-212200- /O.NEW.KSLC.FF.W.0148.261021T1904Z-261021T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 104 PM MDT Wed Oct 21 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... East Central Washington County in southwestern Utah... * Until 400 PM MDT. * At 104 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across Zion Canyon within Zion National Park. Up to 0.25 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of slot canyons and normally dry washes. * Some locations that will experience flash flooding include... Zion National Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Stay away or be swept away. River banks and culverts can become unstable and unsafe. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3721 11290 3717 11290 3717 11309 3740 11309 3737 11290 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ GM  292 WUUS55 KFGZ 211905 SVRFGZ AZC005-211930- /O.NEW.KFGZ.SV.W.0153.261021T1905Z-261021T1930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 1205 PM MST Wed Oct 21 2026 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Coconino County in north central Arizona... * Until 1230 PM MST. * At 1205 PM MST, a severe thunderstorm was located 5 miles east of Kaibab Estates West, or 26 miles east of Seligman, moving north at 45 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Red Lake and Howard Mesa. This includes the following highways... Interstate 40 between mile markers 151 and 154. State Route 64 between mile markers 198 and 203. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. A Tornado Watch remains in effect until 600 PM MST Wednesday for a portion of north central Arizona. && LAT...LON 3520 11235 3523 11244 3552 11231 3550 11213 3536 11220 3527 11228 TIME...MOT...LOC 1904Z 201DEG 40KT 3525 11238 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ McCollum  041 WWUS55 KFGZ 211921 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 1221 PM MST Wed Oct 21 2026 AZC005-211931- /O.CAN.KFGZ.SV.W.0153.000000T0000Z-261021T1930Z/ Coconino AZ- 1221 PM MST Wed Oct 21 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR COCONINO COUNTY... The storm northwest of Ash Fork which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. However, small hail and gusty winds are still possible with this thunderstorm. A Tornado Watch remains in effect until 600 PM MST Wednesday for a portion of north central Arizona. && LAT...LON 3520 11235 3523 11244 3552 11231 3550 11213 3536 11220 3527 11228 TIME...MOT...LOC 1905Z 201DEG 40KT 3526 11238 $$ McCollum  710 WUUS55 KFGZ 211949 SVRFGZ AZC017-212015- /O.NEW.KFGZ.SV.W.0154.261021T1949Z-261021T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 1249 PM MST Wed Oct 21 2026 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Navajo County in north central Arizona... * Until 115 PM MST /215 PM MDT/. * At 1249 PM MST /149 PM MDT/, a severe thunderstorm was located 5 miles northeast of Birdsprings, or 21 miles west of Dilkon, moving north at 50 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Mainly rural areas of Navajo County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. A Tornado Watch remains in effect until 600 PM MST /700 PM MDT/ Wednesday for a portion of north central Arizona. && LAT...LON 3530 11066 3533 11073 3562 11060 3558 11048 3544 11052 3535 11058 TIME...MOT...LOC 1949Z 202DEG 41KT 3535 11068 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ McCollum  264 WUUS55 KFGZ 211955 SVRFGZ AZC001-212030- /O.NEW.KFGZ.SV.W.0155.261021T1955Z-261021T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 1255 PM MST Wed Oct 21 2026 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Apache County in northeastern Arizona... * Until 130 PM MST /230 PM MDT/. * At 1255 PM MST /155 PM MDT/, a severe thunderstorm was located 8 miles south of Witch Well, or 45 miles north of Springerville, moving northeast at 30 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Witch Well. This includes the following highways... Highway 191 161 between mile markers 326 and 348. State Route 61 between mile markers 417 and 422. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. && LAT...LON 3462 10925 3466 10935 3498 10922 3492 10906 3478 10912 3470 10918 TIME...MOT...LOC 1955Z 202DEG 26KT 3478 10923 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ McCollum