Headline:
Flood Watch issued October 20 at 10:11PM MDT until October 23 at 12:00AM MDT by NWS Salt Lake City UT
Event:
Flood Watch
Urgency:
Future
Effective:
October 20, 2026 - 9:11pm
Expires:
October 21, 2026 - 12:15pm
Description:
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Utah, including the following areas, Castle
Country and San Rafael Swell.
* WHEN...From Wednesday afternoon through Thursday evening.
* 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...
- A late season surge of tropical moisture will bring widespread
moderate to at times heavy rainfall across much of eastern Utah
beginning Wednesday afternoon, and continuing through Thursday.
Local rainfall totals in excess of 2 inches are expected through
Thursday evening.
- All normally dry washes, small streams and mainstem rivers will
see elevated flows from this excessive rainfall, with periods of
heavier rainfall resulting in flash flooding. Backcountry roads
may become impassable due to flooding.
- http://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
People in the backcountry should ensure they have alternative routes
available in case their primary route becomes impassable.
Area Description:
Castle Country; San Rafael Swell
Forcast Office:
NWS Salt Lake City UT
Sender:
w-nws.webmaster@noaa.gov