Flash Flood Warning Issued for Coconino County, AZ
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NWS Flagstaff has issued a Flash Flood Warning for Coconino County until 6:00 AM MST due to a large flood wave on the Paria River.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Coconino County, Arizona
- Issued
- August 25, 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 24 at 11:31 PM MST until August 25 at 6:00 AM MST. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Coconino County in north central Arizona, including the Paria River. Specific locations include Vermilion Cliffs National Monument, Lees Ferry, Colorado River near mile marker 0, and Lees Ferry Camp Site.
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
Life threatening flash flooding from a large flood wave on the Paria River traveling south from Utah. Thunderstorms producing flash flooding in and around the Paria River.
Timeline
Alert effective August 24 at 11:31 PM MST. Expires and ends August 25 at 6:00 AM MST. Flood waters expected to reach confluence with Colorado River at Lees Ferry around 6 AM MST.
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 (959 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 25, 2026.
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