Flood Watch issued September 6 at 12:23PM MDT until September 7 at 12:00AM MDT by NWS Salt Lake City UT

Wasatch Plateau/Book Cliffs; Western Uinta Basin; Eastern Juab/Millard Counties; Central Mountains; Sanpete Valley; Sevier Valley; Castle Country; Southwest Utah; Zion National Park; Southern Mountains; Upper Sevier River Valleys; Bryce Canyon Country; South Central Utah

Urgency: Future

Certainty: Possible

Onset: 9/6/2026, 6:23:00 PM

Expires: 9/7/2026, 6:00:00 AM

Details

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Utah, including the following areas, Central Mountains, Eastern Juab/Millard Counties, Sanpete Valley, Sevier Valley, Wasatch Plateau/Book Cliffs, Western Uinta Basin, Bryce Canyon Country, South Central Utah, Southern Mountains, Upper Sevier River Valleys, Southwest Utah and Zion National Park. This watch also includes recent burn scars such as Cottonwood, Widemouth 2, Forsyth, France Canyon, Monroe Canyon, and Black Canyon. * WHEN...Until midnight MDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, dry washes, slot canyons, and other low-lying and flood-prone locations such as slickrock areas and recent burn scars. * ADDITIONAL DETAILS... - Excessive rainfall is expected Sunday afternoon associated with the arrival of deep tropical moisture across much of central and southern Utah. Rates from 0.1-0.3 inches per hour are expected, with isolated higher rates possible. - 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

Utah

Other Active Flood Watch Alerts

Flood Watch issued September 7 at 3:12AM HST until September 8 at 6:00PM HST by NWS Honolulu HI

Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North

Flood Watch issued September 7 at 3:12AM HST until September 8 at 6:00PM HST by NWS Honolulu HI

Niihau; Kauai Southwest; Kauai Mountains; Kauai North; Kauai East; Kauai South

Flood Watch issued September 7 at 6:01AM MDT until September 8 at 12:00PM MDT by NWS Great Falls MT

East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton

Flood Watch issued September 7 at 3:59AM MDT until September 8 at 12:00PM MDT by NWS Missoula MT

West Glacier Region; Flathead/Mission Valleys; Potomac/Seeley Lake Region

Flood Watch issued September 6 at 5:00PM HST until September 8 at 6:00PM HST by NWS Honolulu HI

Source: National Weather Service.