Alert archive / Colorado / Flash Flood Warnings / 2025

Flash Flood Warnings in Colorado, August 2025

39 flash flood warnings in August 2025. 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 2025. Tap one for its archive.

Flash Flood Warnings
39
Busiest day
August 1, 20257 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.

IssuedProductOfficeCountiesLasted
Jul 31, 6:18 PM MDTFlash Flood WarningBOUWeld3 hr
Jul 31, 6:58 PM MDTFlash Flood WarningPUBEl Paso, Pueblo3 hr
Jul 31, 7:49 PM MDTFlash Flood WarningPUBFremont102 min
Jul 31, 9:20 PM MDTFlash Flood WarningBOUAdams4 hr
Jul 31, 10:37 PM MDTFlash Flood WarningBOUAdams3 hr
Aug 1, 3:10 PM MDTFlash Flood WarningPUBLas Animas3 hr
Aug 1, 3:15 PM MDTFlash Flood WarningPUBConejos104 min
Aug 4, 5:43 PM MDTFlash Flood WarningPUBBent3 hr
Aug 10, 2:20 PM MDTFlash Flood WarningPUBLas Animas115 min
Aug 16, 1:36 PM MDTFlash Flood Warning Considerable damage threatGJTGarfield, Rio Blanco114 min
Aug 19, 1:45 PM MDTFlash Flood WarningPUBEl Paso90 min
Aug 19, 5:11 PM MDTFlash Flood Warning Considerable damage threatPUBCuster, Pueblo2 hr
Aug 22, 5:26 PM MDTFlash Flood Warning Considerable damage threatGJTMontrose2 hr
Aug 23, 2:44 PM MDTFlash Flood Warning Considerable damage threatGJTMontrose2 hr
Aug 23, 2:53 PM MDTFlash Flood Warning Considerable damage threatGJTMesa3 hr
Aug 23, 4:57 PM MDTFlash Flood WarningPUBCostilla, Huerfano, Las Animas2 hr
Aug 24, 12:17 PM MDTFlash Flood Warning Considerable damage threatGJTGarfield, Rio Blanco118 min
Aug 24, 3:24 PM MDTFlash Flood WarningPUBEl Paso92 min
Aug 24, 6:19 PM MDTFlash Flood WarningBOUElbert3 hr
Aug 24, 8:38 PM MDTFlash Flood WarningPUBOtero3 hr
Aug 25, 6:59 AM MDTFlash Flood Warning Considerable damage threatGJTGarfield, Rio Blanco91 min
Aug 25, 2:46 PM MDTFlash Flood WarningPUBEl Paso104 min
Aug 25, 3:35 PM MDTFlash Flood WarningPUBEl Paso3 hr
Aug 25, 5:28 PM MDTFlash Flood WarningPUBEl Paso2 hr
Aug 25, 5:35 PM MDTFlash Flood WarningPUBLas Animas3 hr
Aug 25, 7:22 PM MDTFlash Flood Warning Considerable damage threatGJTMesa68 min
Aug 26, 4:59 AM MDTFlash Flood Warning Considerable damage threatGJTRio Blanco66 min
Aug 26, 1:04 PM MDTFlash Flood Warning Considerable damage threatGJTRio Blanco3 hr
Aug 26, 1:51 PM MDTFlash Flood Warning Considerable damage threatGJTRio Blanco3 hr
Aug 26, 4:14 PM MDTFlash Flood WarningPUBCuster2 hr
Aug 26, 5:03 PM MDTFlash Flood Warning Considerable damage threatGJTMontrose3 hr
Aug 26, 6:37 PM MDTFlash Flood WarningBOUArapahoe, Elbert3 hr
Aug 26, 7:14 PM MDTFlash Flood WarningGJTDelta, Mesa, Montrose2 hr
Aug 26, 7:38 PM MDTFlash Flood WarningPUBOtero, Pueblo3 hr
Aug 26, 9:40 PM MDTFlash Flood Warning Considerable damage threatGJTDelta, Mesa, Montrose3 hr
Aug 27, 1:40 PM MDTFlash Flood Warning Considerable damage threatBOULarimer3 hr
Aug 27, 5:36 PM MDTFlash Flood Warning Considerable damage threatGJTRio Blanco3 hr
Aug 28, 2:51 PM MDTFlash Flood Warning Considerable damage threatGJTRio Blanco114 min
Aug 29, 5:20 PM MDTFlash Flood WarningPUBBaca3 hr

By county

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

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.