Flash Flood Warning Issued for North Central Pima County, AZ (Aug 31, 2026, 2:11 AM UTC)

Source: NOAA · North Central Pima County, Arizona

This alert is no longer in effect.

NOAA issued it on August 31, 2026, 3 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 Tucson has issued a Flash Flood Warning for North Central Pima County until 10:15 PM MST due to thunderstorms producing heavy rain.

30 seconds on this weather notice

Record type
Flash Flood Warning
Affected area
North Central Pima County, Arizona
Issued
August 31, 2026
Issuing authority
NWS Tucson 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 3 weeks ago; use the issuing agency's live warning service for current conditions in North Central Pima County, Arizona.

Alert Details

Flash Flood Warning issued by NWS Tucson AZ. Effective from 2026-08-30T19:11:00-07:00 until 2026-08-30T22:15:00-07:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

North Central Pima County in southeastern Arizona. Specific locations include San Simon, Vaya Chin, and San Simon West. Includes Route 86 between mile markers 70 and 89, and streams/drainages: Santa Rosa Wash, Quijotoa Wash, Hickiwan Wash, San Simon Wash, Anegam Wash, and Gu Achi Wash.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 to 0.7 inches are possible. Flash flooding is ongoing or expected to begin shortly.

Timeline

Alert effective August 30 at 7:11 PM MST until August 30 at 10:15 PM MST.

Original source: NOAA Official Notice ↗

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Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.

What People Ask

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Tucson has issued a Flash Flood Warning for North Central Pima County until 10:15 PM MST due to thunderstorms producing heavy rain.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects North Central Pima County, Arizona. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.