Flash Flood Warning Issued for Coconino County, AZ
This alert is no longer in effect.
NOAA issued it on July 12, 2026, 6 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 Flagstaff has issued a Flash Flood Warning for Supai and Havasu Creek in Coconino County until 3:00 PM MST.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Coconino County, Arizona
- Issued
- July 12, 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 6 weeks ago; use the issuing agency's live warning service for current conditions in Coconino County, Arizona.
Alert Details
A Flash Flood Warning (event code FFW) has been issued by the National Weather Service in Flagstaff AZ. The alert is effective from June 14 at 11:54 AM MST until June 14 at 3:00 PM MST.
Affected Areas
The warning covers Supai and Havasu Creek in Coconino County in north central Arizona. This includes the Colorado River between river miles 156 and 158. Specific locations include Little Navajo Falls, Mooney Falls, Beaver Falls, Hualapai Hilltop, Supai, all swimming holes on Havasu Creek near Supai, Sinyella Canyon, Heather Wash, Black Tank Wash, Pasture Wash, Colorado River and Little Coyote Canyon.
What You Should Do
Campers and hikers should move to higher ground immediately. Stay away from creeks and washes. Foot bridges will be washed out in Supai Campground and some campsites will be flooded. Campers may be stranded in portions of the campground.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain over Havasu Creek, especially south of Supai. Flash flooding is ongoing or expected to begin shortly. The hazard is life threatening flash flooding.
Timeline
The warning is in effect from 11:54 AM MST on June 14, 2026, until 3:00 PM MST on June 14, 2026.
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 (1,228 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 12, 2026.
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