Flood Advisory — Navajo County, Arizona
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 20 at 7:06PM MST until August 20 at 9:00PM MST by NWS Flagstaff AZ
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Navajo County in north central Arizona... * WHEN...Until 900 PM MST. * IMPACTS...Minor flooding in creeks and normally dry washes is imminent or occurring. * ADDITIONAL DETAILS... - At 705 PM MST, Doppler radar indicated heavy rain due to thunderstorms south and west of Holbrook, moving eastward. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - This includes the following creeks, washes and rivers... Little Lithodendron Wash, Fivemile Wash, Porter Tank Draw, Silver Creek, Washboard Wash, East Washboard Wash, Mexican Hollow Wash, Lithodendron Wash, Dry Creek, East Twin Wash, Cottonwood Wash, Little Colorado River, Puerco River, McDonald Canyon, Carr Lake Draw and Jim Camp Wash. Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flo
Effective August 20, 2026 at 10:06 PM ET · Expires August 21, 2026 at 12:00 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Flagstaff AZ
Expires
August 21, 2026 at 12:00 AM ET
Last Checked
9 minutes ago
What To Do
📋 Official NWS Guidance
Be aware of your surroundings and do not drive on flooded roads. Low water crossings will become dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Other Active Alerts in Arizona
Air Quality Alert
Flash Flood Warning
Air Quality Alert
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Flood Advisory Alerts for Navajo County
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Frequently Asked Questions
What does a Flood Advisory mean for Navajo County, Arizona?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (9 minutes ago). It's set to expire August 21, 2026 at 12:00 AM ET.
How do I get notified about Flood Advisory alerts for Navajo County?
Download StormCast free on Google Play and set Navajo County, Arizona as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.