Flash Flood Warning Issued for Coconino County, AZ
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NWS Flagstaff has issued a Flash Flood Warning for the Paria River in Coconino County, Arizona, in effect until 5:15 AM MST September 1 due to a rapid 4-foot river rise from heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Coconino County, Arizona
- Issued
- September 1, 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 August 31 at 10:26 PM MST until September 1 at 5:15 AM MST. Severity: Severe. Certainty: Likely. Urgency: Immediate.
Affected Areas
Coconino County in north central Arizona, including the Paria River, Paria Canyon, Paria River Slot Canyon, and Vermilion Cliffs National Monument.
What You Should Do
Get out of the Paria River slot canyon. Avoid flooded areas. Do not attempt to travel unless fleeing an area subject to flooding.
Expected Conditions
At 10:26 PM MST, a river gauge on the Paria River reported a rapid rise of about 4 feet from thunderstorms producing heavy rain. Up to 2 inches of rain have fallen. Life threatening flash flooding is ongoing or expected.
Timeline
Alert effective August 31 at 10:26 PM MST through September 1 at 5:15 AM MST. Flood waters expected to reach near the confluence with the Colorado River at Lees Ferry by 6 AM.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (950 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 1, 2026.
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