Severe Flood ● Closed
Flood Watch issued September 27 at 7:48AM MDT until September 29 at 6:00AM MDT by NWS Salt Lake City UT, United States of America
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* WHAT...Flooding caused by excessive rainfall is possible across
much of central and southern Utah between Monday morning and early
Tuesday morning.
* WHERE...A portion of Utah, including the following areas, Castle
Country, Central Mountains, San Rafael Swell, Bryce Canyon Country,
Capitol Reef National Park and Vicinity, Glen Canyon Recreation
Area/Lake Powell, South Central Utah, Southern Mountains, Upper
Sevier River Valleys, Western Canyonlands, Lower Washington County
and Zion National Park.
* WHEN...From Monday morning through early Tuesday morning.
* 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
including Cottonwood, Widemouth 2, France Canyon, Monroe Canyon,
Forsyth, and Silver King.
* ADDITIONAL DETAILS...
- Deep moisture originating from tropical systems in the Eastern
Pacific draws into portions of central and southern Utah on
Monday. Concurrently, an upper-level system traversing the Desert
Southwest will result in ample instability that will produce
widespread heavy rainfall across the area. Isolated heavier
storms will be capable of producing rainfall rates in excess of 1
inch per hour at times.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Central Mountains; Castle Country; San Rafael Swell; Lower Washington County; Zion National Park; Southern Mountains; Upper Sevier River Valleys; Bryce Can |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-28T00:00:00-06:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 22 days ago (Sep 27, 2026 13:49 UTC) · we last heard from WMO Alert Hub (national weather services) 34 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Central Mountains; Castle Country; San Rafael Swell; Lower Washington County; Zion National Park; Southern Mountains; Upper Sevier River Valleys; Bryce Can
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.