Flash Flood Warning for Southeastern Washington County, UT

Source: NOAA · Washington County, Utah

This alert is no longer in effect.

NOAA issued it on September 1, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Salt Lake City has issued a Flash Flood Warning for southeastern Washington County in southwestern Utah until 3:30 PM MDT on September 1.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Washington County, Utah
Issued
September 1, 2026
Issuing authority
NWS Salt Lake City UT

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Washington County, Utah.

Alert Details

A Flash Flood Warning has been issued by the National Weather Service in Salt Lake City. The alert is effective from September 1, 2026 at 12:36 PM MDT until September 1, 2026 at 3:30 PM MDT.

Affected Areas

Southeastern Washington County in southwestern Utah, including Hildale and Water Canyon.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.25 and 0.75 inches of rain have fallen over the headwaters to Water Canyon. Flash flooding is ongoing or expected to begin shortly.

Timeline

The warning is in effect until 3:30 PM MDT on September 1, 2026. Hazard includes life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Nationwide notices with similar length or severity timing 8

Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.

Common Questions

What people usually ask about a notice like this one.

What is this NWS weather alert about?
NWS Salt Lake City has issued a Flash Flood Warning for southeastern Washington County in southwestern Utah until 3:30 PM MDT on September 1.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Washington County, Utah. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.