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Weather / Flood Watch

Severe

Flood Watch issued August 30 at 4:18AM MDT until August 31 at 12:00AM MDT by NWS Grand Junction CO

Central Yampa River Basin; Roan and Tavaputs Plateaus; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Central Gunnison and Uncompahgre River Basin; West Elk and Sawatch Mountains; Flat Tops; Upper Gunnison River Valley; Uncompahgre Plateau/Dallas Divide; Northwestern San Juan Mountains; Southwest San Juan Mountains; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Southeast Utah; Tavaputs Plateau; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges

Urgency: Future
Certainty: Possible
Onset: 8/30/2026, 11:00:00 AM
Expires: 8/31/2026, 12:00:00 AM

Details

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Colorado, including the following areas, Central Colorado River Basin, Central Gunnison and Uncompahgre River Basin, Central Yampa River Basin, Debeque to Silt Corridor, Flat Tops, Four Corners/Upper Dolores River, Gore and Elk Mountains/Central Mountain Valleys, Grand Valley, Grand and Battlement Mesas, Northwest San Juan Mountains, Paradox Valley/Lower Dolores River, Roan and Tavaputs Plateaus, Southwest San Juan Mountains, Uncompahgre Plateau and Dallas Divide, Upper Gunnison River Valley and West Elk and Sawatch Mountains and Utah, including the following areas, Arches/Grand Flat, Canyonlands/Natural Bridges, La Sal and Abajo Mountains, Southeast Utah and Tavaputs Plateau. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Recent burn scars will also be especially susceptible and these include the Lee and Elk RX, Gold Mountain and Elk, Ferris, and Babylon burn scars to name a few. * ADDITIONAL DETAILS... - Monsoonal moisture will remain across the area today and will support thunderstorms and showers with heavy rainfall across the watch area. Several rounds of heavier rain are expected increasing the chance for flash flooding especially in our more susceptible areas. - http://www.weather.gov/safety/flood

What To Do

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Affected States

Other Active Flood Watch Alerts

Flood Watch issued August 30 at 11:36AM MDT until September 1 at 12:00AM MDT by NWS Grand Junction CO
Central Yampa River Basin; Roan and Tavaputs Plateaus; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Central Gunnison and Uncompahgre River Basin; West Elk and Sawatch Mountains; Flat Tops; Upper Gunnison River Valley; Uncompahgre Plateau/Dallas Divide; Northwestern San Juan Mountains; Southwest San Juan Mountains; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Southeast Utah; Tavaputs Plateau; Arches/Grand Flat; La Sal and Abajo Mountains; Canyonlands/Natural Bridges
Flood Watch issued August 30 at 11:36AM MDT until September 1 at 12:00AM MDT by NWS Grand Junction CO
Animas River Basin; San Juan River Basin
Flood Watch issued August 30 at 9:54AM MST until September 1 at 12:00AM MST by NWS Flagstaff AZ
Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Northern Gila County; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264
Flood Watch issued August 30 at 6:15AM MST until August 31 at 5:00AM MST by NWS Tucson AZ
Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak
Flood Watch issued August 30 at 4:23AM MST until September 1 at 12:00AM MST by NWS Flagstaff AZ
Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264

Source: National Weather Service.