Alert archive / Arizona / Flash Flood Warnings / 2026
Flash Flood Warnings in Arizona, August 2026
177 flash flood warnings in August 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Flash Flood Warnings
- 177
- Busiest day
- August 12, 202622 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:40 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 3, 3:32 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 3, 5:13 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 3, 8:02 PM MST | Flash Flood Warning | TWC | Cochise | 118 min |
| Aug 3, 9:18 PM MST | Flash Flood Warning | TWC | Pima | 36 min |
| Aug 4, 7:57 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 3:30 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 5, 5:46 PM MST | Flash Flood Warning | TWC | Graham, Greenlee | 3 hr |
| Aug 5, 6:19 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 6:34 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 5, 6:56 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 5, 7:48 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 6 hr |
| Aug 5, 8:00 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 8:54 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 9:22 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 3 hr |
| Aug 5, 9:37 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 9:52 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 5, 9:58 PM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 3 hr |
| Aug 5, 10:09 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 10:22 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 5, 11:08 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 5, 11:40 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Aug 6, 12:13 AM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Aug 6, 5:37 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 6, 8:07 AM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 6, 3:30 PM MST | Flash Flood Warning | FGZ | Gila | 3 hr |
| Aug 6, 4:04 PM MST | Flash Flood Warning | FGZ | Coconino, Yavapai | 3 hr |
| Aug 6, 4:46 PM MST | Flash Flood Warning | PSR | Gila | 3 hr |
| Aug 7, 6:01 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 7, 7:51 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 7, 9:12 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 8, 4:47 PM MST | Flash Flood Warning | FGZ | Gila | 5 hr |
| Aug 8, 7:11 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 9, 5:20 PM MST | Flash Flood Warning | PSR | Gila, Pinal | 3 hr |
| Aug 9, 5:28 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 9, 8:43 PM MST | Flash Flood Warning | PSR | Maricopa, Pinal | 6 hr |
| Aug 9, 9:29 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 9, 9:56 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 9, 10:53 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 9, 11:19 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 9, 11:38 PM MST | Flash Flood Warning | TWC | Santa Cruz | 97 min |
| Aug 10, 1:00 PM MST | Flash Flood Warning | FGZ | Coconino | 6 hr |
| Aug 10, 2:52 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 10, 4:13 PM MST | Flash Flood Warning | FGZ | Gila, Navajo | 3 hr |
| Aug 10, 4:16 PM MST | Flash Flood Warning | FGZ | Coconino | 5 hr |
| Aug 10, 4:30 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 10, 5:11 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 10, 6:01 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 10, 6:28 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 10, 6:31 PM MST | Flash Flood Warning | FGZ | Navajo | 3 hr |
| Aug 10, 6:36 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 10, 7:02 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 10, 7:17 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 10, 8:27 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 11, 4:37 PM MST | Flash Flood Warning | FGZ | Gila, Navajo | 3 hr |
| Aug 11, 5:14 PM MST | Flash Flood Warning | TWC | Greenlee | 3 hr |
| Aug 11, 5:27 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 11, 6:26 PM MST | Flash Flood Warning | FGZ | Apache | 3 hr |
| Aug 11, 6:53 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 11, 7:17 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 11, 8:14 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 11, 8:50 PM MST | Flash Flood Warning | TWC | Cochise, Santa Cruz | 3 hr |
| Aug 12, 1:34 AM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 12, 2:20 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 12, 8:46 AM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 12, 10:06 AM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 12, 11:30 AM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 12, 12:05 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 12, 12:34 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 12, 12:43 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 12, 1:48 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 12, 2:44 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 12, 2:45 PM MST | Flash Flood Warning | FGZ | Yavapai | 6 hr |
| Aug 12, 4:00 PM MST | Flash Flood Warning | VEF | Mohave | 4 hr |
| Aug 12, 4:01 PM MST | Flash Flood Warning | FGZ | Yavapai | 6 hr |
| Aug 12, 4:18 PM MST | Flash Flood Warning | FGZ | Gila | 8 hr |
| Aug 12, 4:52 PM MST | Flash Flood Warning | FGZ | Gila | 3 hr |
| Aug 12, 5:24 PM MST | Flash Flood Warning | PSR | La Paz | 7 hr |
| Aug 12, 5:26 PM MST | Flash Flood Warning | FGZ | Gila | 6 hr |
| Aug 12, 5:45 PM MST | Flash Flood Warning | PSR | La Paz | 3 hr |
| Aug 12, 5:56 PM MST | Flash Flood Warning | FGZ | Gila | 3 hr |
| Aug 12, 6:19 PM MST | Flash Flood Warning | PSR | La Paz | 6 hr |
| Aug 12, 6:25 PM MST | Flash Flood Warning | PSR | La Paz | 5 hr |
| Aug 12, 7:24 PM MST | Flash Flood Warning | PSR | La Paz | 5 hr |
| Aug 12, 8:04 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 12, 8:57 PM MST | Flash Flood Warning | FGZ | Apache | 109 min |
| Aug 12, 9:38 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 12, 10:11 PM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 12, 10:36 PM MST | Flash Flood Warning | PSR | La Paz | 3 hr |
| Aug 13, 12:28 AM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Aug 13, 3:20 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 13, 12:24 PM MST | Flash Flood Warning | FGZ | Coconino | 9 hr |
| Aug 13, 12:35 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 13, 1:00 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 13, 1:37 PM MST | Flash Flood Warning | TWC | Cochise | 5 hr |
| Aug 13, 3:00 PM MST | Flash Flood Warning | FGZ | Coconino | 6 hr |
| Aug 13, 4:38 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 14, 10:18 AM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 14, 2:16 PM MST | Flash Flood Warning | FGZ | Apache, Navajo | 3 hr |
| Aug 14, 3:06 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 14, 3:09 PM MST | Flash Flood Warning | VEF | Mohave | 7 hr |
| Aug 14, 4:00 PM MST | Flash Flood Warning | VEF | Mohave | 6 hr |
| Aug 14, 4:19 PM MST | Flash Flood Warning | VEF | Mohave | 5 hr |
| Aug 17, 4:53 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 3:24 PM MST | Flash Flood Warning | FGZ | Gila, Navajo | 4 hr |
| Aug 19, 3:59 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 4 hr |
| Aug 19, 4:48 PM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 19, 5:13 PM MST | Flash Flood Warning | TWC | Cochise | 4 hr |
| Aug 19, 5:43 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 6:00 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 6:19 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 6:40 PM MST | Flash Flood Warning | FGZ | Gila, Yavapai | 3 hr |
| Aug 19, 6:42 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 6:47 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 6:56 PM MST | Flash Flood Warning | FGZ | Coconino, Yavapai | 4 hr |
| Aug 19, 7:26 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 19, 9:29 PM MST | Flash Flood Warning | PSR | Pinal | 3 hr |
| Aug 20, 8:08 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 20, 9:47 PM MST | Flash Flood Warning | FGZ | Coconino | 6 hr |
| Aug 20, 9:55 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 21, 3:18 PM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 23, 1:36 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 23, 2:34 PM MST | Flash Flood Warning | FGZ | Apache | 3 hr |
| Aug 23, 3:40 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 23, 7:50 PM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Aug 23, 8:12 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 3 hr |
| Aug 23, 10:55 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 3 hr |
| Aug 23, 11:11 PM MST | Flash Flood Warning | PSR | Maricopa, Pinal | 3 hr |
| Aug 24, 11:31 PM MST | Flash Flood Warning | FGZ | Coconino | 9 hr |
| Aug 26, 4:45 PM MST | Flash Flood Warning | PSR | Gila | 4 hr |
| Aug 27, 1:50 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 27, 2:46 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 27, 5:51 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 27, 6:03 PM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Aug 27, 6:15 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 27, 6:19 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 28, 4:08 PM MST | Flash Flood Warning | FGZ | Coconino | 2 hr |
| Aug 29, 12:02 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 29, 2:30 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 3 hr |
| Aug 29, 2:42 PM MST | Flash Flood Warning | FGZ | Coconino | 5 hr |
| Aug 29, 2:59 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 29, 3:01 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 29, 3:31 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 3 hr |
| Aug 29, 3:55 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 29, 4:26 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 29, 5:22 PM MST | Flash Flood Warning | FGZ | Coconino | 7 hr |
| Aug 29, 5:37 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 29, 5:38 PM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 29, 5:49 PM MST | Flash Flood Warning | TWC | Graham, Pinal | 7 hr |
| Aug 29, 6:17 PM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 29, 6:54 PM MST | Flash Flood Warning | TWC | Pima | 4 hr |
| Aug 29, 7:28 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 29, 7:31 PM MST | Flash Flood Warning | PSR | Gila | 3 hr |
| Aug 29, 7:37 PM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Aug 29, 8:31 PM MST | Flash Flood Warning | PSR | Gila | 3 hr |
| Aug 29, 8:47 PM MST | Flash Flood Warning | PSR | Gila | 3 hr |
| Aug 30, 11:53 AM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 30, 12:07 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 30, 3:30 PM MST | Flash Flood Warning | FGZ | Coconino | 7 hr |
| Aug 30, 4:01 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 30, 4:35 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 30, 6:00 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 30, 6:08 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 30, 7:11 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 30, 7:21 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 30, 7:37 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 30, 8:15 PM MST | Flash Flood Warning | PSR | Maricopa | 4 hr |
| Aug 30, 8:47 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 30, 8:52 PM MST | Flash Flood Warning | PSR | Pinal | 4 hr |
| Aug 30, 9:16 PM MST | Flash Flood Warning | PSR | Maricopa | 4 hr |
| Aug 30, 10:16 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 31, 4:00 AM MST | Flash Flood Warning | TWC | Pima | 5 hr |
| Aug 31, 6:17 AM MST | Flash Flood Warning | FGZ | Coconino | 5 hr |
| Aug 31, 11:18 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 31, 2:35 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Aug 31, 2:45 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 31, 4:22 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.