Flash Flood Warning Issued for Apache 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This alert is no longer in effect.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 Apache County in northeastern Arizona until midnight MST due to thunderstorms producing heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Apache County, Arizona
- 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 Apache County, Arizona.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Flagstaff AZ. The alert is effective from 8:57 PM MST on August 12, 2026, until 12:00 AM MST on August 13, 2026.
Affected Areas
The warning covers Apache County in northeastern Arizona, including the city of St. Johns. Specific locations include Highway 191 and 61 near mile marker 316, homes along Water St in St. Johns, and the Little Colorado River along with associated creeks and washes.
What You Should Do
Flooding of washes and creeks will occur, with some dirt roads becoming muddy and impassable. Paved roads and underpasses could become flooded. Residents should be aware of surroundings and not drive on flooded roads. Low water crossings will become dangerous; do not attempt to cross flooded roads and find an alternate route instead.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the area, with between 0.5 and 1.25 inches of rain having fallen. Flash flooding is ongoing or expected to begin shortly.
Timeline
The Flash Flood Warning is in effect until midnight MST on August 13, 2026, with no additional rainfall expected after the initial amounts.
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 (1,210 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 13, 2026.
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