Alert archive / Utah / Flash Flood Warnings

Flash Flood Warnings in Utah, 2026

175 flash flood warnings in 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 2026. Tap one for its archive.

Flash Flood Warnings: 175
Busiest month: July92 flash flood warnings
Busiest day: July 22, 202615 flash flood warnings

Over time

By month

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
Apr 1, 2:53 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	3 hr
Apr 11, 12:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Jun 25, 3:03 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Sevier	3 hr
Jul 13, 4:39 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 13, 4:59 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 14, 4:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	3 hr
Jul 15, 12:57 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Jul 15, 2:18 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Jul 15, 3:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	3 hr
Jul 15, 4:28 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 15, 4:59 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	2 hr
Jul 16, 2:06 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	4 hr
Jul 16, 3:28 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute, Sevier	3 hr
Jul 16, 3:37 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 16, 4:25 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Iron	3 hr
Jul 16, 4:26 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	3 hr
Jul 16, 4:51 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Iron, Washington	3 hr
Jul 16, 5:11 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 16, 5:21 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Jul 16, 5:25 PM MDT	Flash Flood Warning	GJT	San Juan	3 hr
Jul 16, 5:50 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 16, 6:37 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand, San Juan	3 hr
Jul 16, 7:19 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 16, 8:17 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 17, 12:11 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	5 hr
Jul 17, 2:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 17, 3:38 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 17, 4:20 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Iron, Washington	3 hr
Jul 17, 5:58 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 17, 6:53 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 18, 1:16 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	4 hr
Jul 18, 3:44 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute, Sevier	3 hr
Jul 18, 3:48 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	5 hr
Jul 18, 4:35 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Jul 18, 8:23 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 19, 1:10 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 19, 2:10 PM MDT	Flash Flood Warning EmergencyConsiderable damage threat	SLC	Beaver	6 hr
Jul 19, 4:24 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Jul 19, 4:45 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	4 hr
Jul 19, 4:56 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 19, 6:56 PM MDT	Flash Flood Warning	GJT	San Juan	2 hr
Jul 19, 7:14 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	7 hr
Jul 19, 8:23 PM MDT	Flash Flood Warning	GJT	Grand	101 min
Jul 20, 8:45 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 20, 9:08 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 21, 5:56 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver, Piute	3 hr
Jul 21, 4:29 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Sevier	91 min
Jul 21, 5:32 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 21, 5:37 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 21, 5:51 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 21, 5:58 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 21, 6:10 PM MDT	Flash Flood Warning	GJT	San Juan	3 hr
Jul 21, 6:14 PM MDT	Flash Flood Warning	GJT	San Juan	4 hr
Jul 21, 6:19 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	4 hr
Jul 21, 6:26 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand, San Juan	3 hr
Jul 21, 7:16 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 21, 7:51 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	4 hr
Jul 21, 9:26 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Jul 22, 1:26 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Jul 22, 4:14 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	106 min
Jul 22, 1:39 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Jul 22, 1:40 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	3 hr
Jul 22, 2:05 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	4 hr
Jul 22, 2:28 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	6 hr
Jul 22, 2:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Morgan, Summit	3 hr
Jul 22, 3:55 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	5 hr
Jul 22, 6:29 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 23, 5:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	3 hr
Jul 23, 6:31 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	3 hr
Jul 23, 6:37 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 24, 1:14 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	46 min
Jul 24, 2:31 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	3 hr
Jul 25, 12:58 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Jul 26, 2:13 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 26, 4:35 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Jul 27, 1:15 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 27, 4:27 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	3 hr
Jul 27, 5:18 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute, Sevier	3 hr
Jul 27, 7:56 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	2 hr
Jul 28, 12:33 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 28, 6:31 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Jul 28, 6:36 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Jul 28, 6:59 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver, Piute	5 hr
Jul 28, 10:27 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 29, 11:51 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Jul 29, 12:05 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Iron, Kane, Washington	3 hr
Jul 29, 12:49 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Jul 29, 1:26 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	3 hr
Jul 29, 1:48 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	12 hr
Jul 29, 3:21 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Jul 29, 3:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	3 hr
Jul 29, 5:19 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 29, 5:44 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 29, 6:11 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Jul 30, 2:20 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Aug 9, 3:21 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Aug 9, 6:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Aug 10, 12:57 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Aug 10, 3:17 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Beaver	4 hr
Aug 11, 1:14 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Aug 11, 2:47 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	3 hr
Aug 11, 3:29 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	5 hr
Aug 12, 5:48 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	4 hr
Aug 12, 6:15 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Aug 13, 3:16 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	3 hr
Aug 13, 3:11 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	5 hr
Aug 13, 3:28 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Aug 13, 3:32 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Aug 13, 3:38 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Aug 13, 6:22 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Tooele	3 hr
Aug 14, 9:08 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	4 hr
Aug 14, 9:23 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	4 hr
Aug 14, 9:33 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	4 hr
Aug 21, 5:01 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	119 min
Aug 22, 1:48 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	3 hr
Aug 23, 1:14 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	3 hr
Aug 23, 3:19 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	5 hr
Aug 24, 1:34 PM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	4 hr
Aug 24, 2:43 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	4 hr
Aug 24, 4:07 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	9 hr
Aug 28, 3:05 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Iron, Kane, Washington	3 hr
Aug 29, 1:37 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Aug 29, 3:43 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Aug 29, 4:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Aug 29, 4:35 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Aug 29, 5:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, San Juan	5 hr
Aug 29, 5:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, San Juan	3 hr
Aug 30, 1:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Aug 30, 2:03 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane, San Juan	6 hr
Aug 30, 2:16 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Aug 30, 2:19 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	5 hr
Aug 30, 2:28 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Aug 30, 2:46 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	5 hr
Aug 30, 2:56 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	5 hr
Aug 30, 3:37 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	4 hr
Aug 30, 5:19 PM MDT	Flash Flood Warning	GJT	Grand	86 min
Aug 31, 6:37 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	4 hr
Aug 31, 9:50 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Aug 31, 10:19 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Aug 31, 10:46 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	4 hr
Aug 31, 11:04 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	14 hr
Aug 31, 11:16 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	5 hr
Aug 31, 12:20 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Aug 31, 1:00 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	3 hr
Aug 31, 1:48 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	10 hr
Aug 31, 1:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Aug 31, 2:22 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Aug 31, 3:11 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Piute	3 hr
Aug 31, 3:58 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	9 hr
Aug 31, 6:25 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Aug 31, 6:27 PM MDT	Flash Flood Warning	SLC	Garfield	5 hr
Sep 1, 12:36 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Washington	3 hr
Sep 1, 12:44 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, Washington	3 hr
Sep 1, 3:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Sep 11, 2:19 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Sep 12, 3:34 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Wayne	3 hr
Sep 15, 9:49 AM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Sep 15, 9:58 AM MDT	Flash Flood Warning Considerable damage threat	GJT	San Juan	3 hr
Sep 15, 12:35 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Sep 15, 1:42 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Sep 15, 4:41 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	4 hr
Sep 15, 5:24 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	3 hr
Sep 15, 5:31 PM MDT	Flash Flood Warning	GJT	Grand	4 hr
Sep 15, 5:51 PM MDT	Flash Flood Warning	GJT	Grand	3 hr
Sep 16, 7:29 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield	3 hr
Sep 16, 10:11 AM MDT	Flash Flood Warning Considerable damage threat	SLC	Garfield, Kane	6 hr
Sep 16, 12:01 PM MDT	Flash Flood Warning Considerable damage threat	SLC	San Juan	3 hr
Sep 16, 12:34 PM MDT	Flash Flood Warning Considerable damage threat	SLC	San Juan	2 hr
Sep 16, 1:48 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery	3 hr
Sep 16, 2:39 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	3 hr
Sep 16, 2:54 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Grand	3 hr
Sep 16, 3:15 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Wayne	3 hr
Sep 16, 3:28 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	2 hr
Sep 16, 3:38 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	4 hr
Sep 18, 4:52 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Uintah	5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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. Rebuilt daily.