Flood Warning for Vamori Wash in Southwestern Pima County, AZ
If you are in immediate danger, call emergency services now.
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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Flood Warning is in effect until 10:30 AM MST for small stream flooding on the Vamori Wash in southwestern Pima County.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southwestern Pima County, Arizona
- Issued
- September 18, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flood Warning issued by NWS Tucson AZ. Effective from 4:40 AM MST to 10:30 AM MST on September 18, 2026. Severity: Severe. Certainty: Likely. Urgency: Expected.
Affected Areas
Southwestern Pima County in southeastern Arizona, including the Vamori Wash and Santa Cruz.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
At 4:35 AM MST, gauge reports indicate the Vamori Wash has reached 9.5 feet. At this level the Highway 21 bridge approaches flood. If the Vamori Wash rises above 9.8 feet, Highway 21 may be impassible. Flooding is ongoing or expected to begin shortly.
Timeline
Alert in effect until 10:30 AM MST September 18, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Elsewhere in the country: similar length or severity timing 8
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 (815 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 18, 2026.
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