Live incident briefing · Flood

Flash Flood Warning near Coconino, AZ

Official warning geography and instructions, rainfall outlook, gauge observations and forecasts, affected places, and source history.

Official source updated
19 hr ago
Briefing status
Active

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Official information and local resources

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

NWS Flagstaff AZ · source Aug 30, 2026, 12:22 AM
countyCoconino County emergency informationState resourceArizona Department of Emergency and Military AffairsfederalNWPS gauge: Little Colorado River near CameronfederalOfficial Flash Flood WarningfederalUSGS gauge 09402000 (provisional)

In immediate danger? Call 911. Nature Says When is not an emergency service and does not determine whether an area is safe.

Verified context

What the latest evidence says

Official Flash Flood Warning status is Severe with Immediate urgency. The affected area includes Coconino, AZ.

From the primary source

Official incident details

Displayed directly from the issuing authority, with no generated paraphrase.

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona...the Colorado River near mile marker 62. * Until 1215 AM MST /115 AM MDT/ Tonight. * At 522 PM MST /622 PM MDT/, Doppler radar indicated thunderstorms that produced heavy rain earlier southwest of Cameron have resulted in a flash flood along the Little Colorado River west of Cameron. Between 1 and 2 inches were estimate by radar earlier in the afternoon. Flash flooding is ongoing or expected to begin shortly. The flood wave is expected to reach the Colorado River between 10 PM and 1 AM. HAZARD...Life threatening flash flooding. Heavy rain from thunderstorms earlier. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding along the Little Colorado River west of Cameron. * Some locations that will experience flash flooding include... Little Colorado River Navajo Tribal Park. This includes the following highways... the Colorado River near mile marker 62. State Route 64 between mile markers 281 and 284. This includes the following recreation areas and campgrounds... Blue Water Base Camp, Old Fish Camp Site, Above LCR Camp Site and Below LCR Camp Site. This includes the following swimming holes... Blue Water Base Camp. This includes the following Little Colorado River west of Cameron.

NWS Flagstaff AZ · source Aug 30, 2026, 12:22 AM

Official forecast

NWS weather context

Partly Cloudy68°F · wind 7 mph · gusts 12 mph8/30/2026, 5:00:00 AM
Mostly Clear68°F · wind 6 mph · gusts 10 mph8/30/2026, 6:00:00 AM
Partly Cloudy66°F · wind 6 mph · gusts 9 mph8/30/2026, 7:00:00 AM
Partly Cloudy65°F · wind 6 mph · gusts 9 mph8/30/2026, 8:00:00 AM
Mostly Clear65°F · wind 6 mph · gusts 9 mph8/30/2026, 9:00:00 AM
Mostly Clear64°F · wind 6 mph · gusts 9 mph8/30/2026, 10:00:00 AM

Official gauge and corroborating observation

River and flood-stage context

Little Colorado River near CameronObserved stage 5.5111.5 miles from the stored warning center; proximity does not establish flood cause or impact.
USGS corroborationStage 5.51Provisional USGS data

Source-timed facts

Current incident picture

Values stay attached to the authority and time that supplied them.

Affected areas
Coconino, AZ
National Weather Service · source Aug 30, 2026, 12:22 AM
County count
1 counties
National Weather Service · source Aug 30, 2026, 12:22 AM
Official alert
Flash Flood Warning
National Weather Service · source Aug 30, 2026, 12:22 AM
Severity
Severe
National Weather Service · source Aug 30, 2026, 12:22 AM
Ugc county codes
AZC005
National Weather Service · source Aug 30, 2026, 12:22 AM
Urgency
Immediate
National Weather Service · source Aug 30, 2026, 12:22 AM
Warning count
1 warnings
National Weather Service · source Aug 30, 2026, 12:22 AM
Represented population
142,481 people
U.S. Census Bureau 2020 Decennial Census · source Apr 1, 2020, 12:00 AM

Geographic context

Incident area and nearby places

Map geometry shows the official source shape when available. It does not predict impact outside or inside the line.

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Map-equivalent affected-area text

Coconino, AZ

Source center: 36.062, -111.687. A point or perimeter is context, not a safety boundary.

  • Coconino, AZ

Material revisions

What changed

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  13. Incident first observed.

Provenance and handoffs

Official sources

Open the authority’s page before making an emergency decision.

county · emergencyCoconino County emergency informationVerified Aug 30, 2026, 7:00 AMstate · emergencyArizona Department of Emergency and Military AffairsVerified Aug 30, 2026, 7:00 AMfederal · gaugeNWPS gauge: Little Colorado River near CameronVerified Aug 30, 2026, 7:00 AMfederal · weatherOfficial Flash Flood WarningVerified Aug 30, 2026, 7:00 AMfederal · gaugeUSGS gauge 09402000 (provisional)Verified Aug 30, 2026, 7:00 AM
How this briefing is assembled

Source facts are stored with source and retrieval times. The page renders stored records only. Optional generated context is omitted whenever validation fails and never controls emergency instructions, containment, road status, health guidance, or publication.