Flash Flood Warning for Sierra Vista and Hereford in Cochise County
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NWS Tucson has issued a Flash Flood Warning for southwestern Cochise County until 2:30 PM MST Tuesday due to thunderstorms producing heavy rain.
The weather record, at a glance
- Record type
- Flash Flood Warning
- Affected area
- Southwestern Cochise County, AZ
- Issued
- September 29, 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
A Flash Flood Warning has been issued by NWS Tucson AZ for southwestern Cochise County in southeastern Arizona. The alert was sent at 8:24 AM MST on September 29, 2026, and is effective immediately until 2:30 PM MST on September 29, 2026.
Affected Areas
The warning covers southwestern Cochise County, including Sierra Vista, Hereford, Fort Huachuca, Palominas, Coronado National Memorial, and Ramsey Canyon Preserve. Affected highways include Route 90 between mile markers 324 and 336, Route 80 between mile markers 328 and 335, and Route 92 between mile markers 323 and 345. Flash flood prone locations include Moson Rd from HWY 90 and Hereford Rd.
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
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen, with additional rainfall amounts of 1 to 2 inches possible. Flash flooding is ongoing or expected to begin shortly.
Timeline
The Flash Flood Warning is effective from 8:24 AM MST until 2:30 PM MST on September 29, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with 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 (1,218 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 29, 2026.
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