Flash Flood Warning Issued for Coconino County, AZ
This alert is no longer in effect.
NOAA issued it on August 13, 2026, 10 days 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 Flagstaff has issued a Flash Flood Warning for the Paria River in Coconino County, Arizona, effective until 6:00 PM MST August 13.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Coconino County, AZ
- Issued
- August 13, 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: historical. It was issued 10 days ago; use the issuing agency's live warning service for current conditions in Coconino County, AZ.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Flagstaff, AZ. The alert is effective from August 13 at 3:00 PM MST until August 13 at 6:00 PM MST.
Affected Areas
The warning covers Coconino County in north central Arizona, specifically the Paria River area. Locations include Vermilion Cliffs National Monument, Lees Ferry, the 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
Doppler radar indicated thunderstorms producing heavy rain over the Paria River, with 0.5 to 1.5 inches of rain fallen and an additional 0.5 to 1 inch possible. Life-threatening flash flooding is ongoing or expected.
Timeline
The warning is in effect from 3:00 PM MST to 6:00 PM MST on August 13, 2026. Flood waters are expected to reach the confluence with the Colorado River at Lees Ferry around 8-10 hours from initial issuance.
Original source: NOAA Official Notice ↗
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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 (1,048 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 13, 2026.
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