Flash Flood Warning Issued for Kane and Washington Counties in Utah

Source: NOAA · Southern 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This alert is no longer in effect.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 parts of southern and southwestern Utah until 3:45 PM MDT on September 1.

The weather record, at a glance

Record type
Flash Flood Warning
Affected area
Southern 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 Southern Utah.

Alert Details

A Flash Flood Warning has been issued by the National Weather Service in Salt Lake City. The alert is effective from 12:44 PM MDT on September 1, 2026, until 3:45 PM MDT on the same day.

Affected Areas

The warning covers West Central Kane County in southern Utah and East Central Washington County in southwestern Utah. Specific locations include Zion National Park and Springdale, including Parunuweap Canyon, Keyhole, Spry, Pine Slot Canyons, and the Narrows.

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, with flash flooding ongoing or expected to begin shortly. Life-threatening flash flooding of slot canyons, normally dry washes, streams, creeks, and rivers is possible.

Timeline

The Flash Flood Warning is in effect from 12:44 PM MDT until 3:45 PM MDT on September 1, 2026.

Original source: NOAA Official Notice ↗

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Elsewhere in the country: similar length or severity timing 8

Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

Questions & Answers

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Salt Lake City has issued a Flash Flood Warning for parts of southern and southwestern Utah until 3:45 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 Southern 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.