Flash Flood Warning Issued for Santa Cruz County, AZ
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NWS Tucson has issued a Flash Flood Warning for central Santa Cruz County until 1:15 AM MST August 10 due to thunderstorms producing heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Santa Cruz County, Arizona
- Issued
- August 10, 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
Flash Flood Warning issued by NWS Tucson AZ. Effective from August 9 at 11:38 PM MST until August 10 at 1:15 AM MST. Severity: Severe. Certainty: Likely. Urgency: Immediate.
Affected Areas
Central Santa Cruz County in southeastern Arizona, including Rio Rico. Includes Interstate 19 between mile markers 10 and 17, and Pendleton Dr at Sonoita Creek.
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. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain in and around Rio Rico. Between 0.5 and 2.3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.
Timeline
Alert effective August 9, 2026 at 11:38 PM MST. Expires and ends August 10, 2026 at 1:15 AM MST.
Original source: NOAA Official Notice ↗
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