Flash Flood Warning for West Poker Mountain, Black River in Apache County

Source: NOAA · Northeastern Arizona

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NWS Flagstaff has issued a Flash Flood Warning for Apache County in northeastern Arizona until 9:15 PM MST due to heavy rainfall from thunderstorms.

30 seconds on this weather notice

Record type
Flash Flood Warning
Affected area
Northeastern Arizona
Issued
September 16, 2026
Issuing authority
NWS Flagstaff AZ

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 Flagstaff AZ. Effective from 2026-09-15T18:09:00-07:00 until 2026-09-15T21:15:00-07:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Apache County in northeastern Arizona, including West Poker Mountain and Black River.

What You Should Do

Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. Avoid flooded areas.

Expected Conditions

At 6:09 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts of 0.25 to 0.75 inches are possible. Life threatening flash flooding of creeks and streams and normally dry washes.

Timeline

Alert effective immediately on September 15, 2026 at 6:09 PM MST and remains in effect until 9:15 PM MST the same day.

Original source: NOAA Official Notice ↗

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Common Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Flagstaff has issued a Flash Flood Warning for Apache County in northeastern Arizona until 9:15 PM MST due to heavy rainfall from thunderstorms.
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 Northeastern Arizona. 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.