Severe Thunderstorm Warning for Pima and Santa Cruz Counties, AZ
This alert is no longer in effect.
NOAA issued it on August 4, 2026, 2 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 AZ issued a Severe Thunderstorm Warning for southeastern Pima County and north central Santa Cruz County until 8:30 PM MST on August 3.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern Arizona
- Issued
- August 4, 2026
- Issuing authority
- NWS Tucson AZ
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Southeastern Arizona.
Alert Details
Severe Thunderstorm Warning issued by NWS Tucson AZ. Effective from 2026-08-03T19:28:00-07:00 until 2026-08-03T20:30:00-07:00. Severity: Severe. Urgency: Immediate. Certainty: Observed.
Affected Areas
Southeastern Pima County and North Central Santa Cruz County in southeastern Arizona. Locations impacted include Tucson, Sahuarita, Green Valley, Tubac, Vail, Corona De Tucson, East Sahuarita, Summit, Amado, Arivaca Junction and Madera Canyon. Highways impacted: Interstate 19 between mile markers 23 and 54; Interstate 10 near mile marker 270; Route 83 between mile markers 42 and 55.
What You Should Do
Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. Seek shelter immediately inside a sturdy structure and stay away from windows. Do not wait for the sound of thunder before taking cover.
Expected Conditions
At 7:28 PM MST, severe thunderstorms were located along a line from near Summit to 7 miles south of Corona De Tucson, moving southwest at 25 mph. Hazard: 70 mph wind gusts. Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Wind damage will occur before any rain or lightning.
Timeline
Alert effective August 3 at 7:28 PM MST until August 3 at 8:30 PM MST.
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 (1,290 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 4, 2026.
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