Flash Flood Warning Issued for Washington County, UT

Source: NOAA · Southwestern Utah

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NWS Salt Lake City has issued a Flash Flood Warning for southeastern Washington County in southwestern Utah until 9:30 PM MDT on August 31.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Southwestern 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Flash Flood Warning issued by NWS Salt Lake City UT. Effective from August 31 at 6:25 PM MDT until August 31 at 9:30 PM MDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Southeastern Washington County in southwestern Utah, including Hildale.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.

Expected Conditions

At 6:25 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 0.75 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Life threatening flash flooding of creeks and streams, normally dry washes, highways, streets and underpasses.

Timeline

The warning is in effect from 6:25 PM MDT to 9:30 PM MDT on August 31, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

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 9:30 PM MDT on August 31.
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 Southwestern 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.