Flood Watch
Flood Watch issued August 4 at 8:04AM MST until August 4 at 11:00PM MST by NWS Tucson AZ
- Time
- 8/4/2026, 3:04:00 PM UTC
- Coordinates
- 31.934, -110.299
- Data source
- nws
- Severity
- Severe
- Urgency
- Future
- Areas
- Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; Upper San Pedro Riv
- Expires
- 8/5/2026, 6:00:00 AM UTC
Event timeline
- Tue, 04 Aug 2026 15:20:50 GMTSignificantFlood Watch
Snapshots are recorded when the event first appears or its severity changes.
🧰 What to do
Before
- •Know your safe room: basement or interior room, lowest floor
- •Keep phones charged; enable Wireless Emergency Alerts
- •Secure or bring in loose outdoor items
During
- •Tornado warning: go to your safe room, cover your head
- •Lightning: When Thunder Roars, Go Indoors — wait 30 min after
- •Hail/wind: stay away from windows; don't shelter under overpasses
After
- •Watch for downed power lines — assume all lines are live
- •Check on neighbors, especially elderly and those with disabilities
- •Photograph damage before temporary repairs
Guidance condensed from Ready.gov
AlertAtlas aggregates official hazard data (USGS, NOAA/NWS, NHC, NASA EONET, GDACS, SMN/CONAGUA México CC BY 4.0, SMN Argentina CC BY 4.0, INMET Brasil, Environment and Climate Change Canada OGL-Canada, EUMETNET – MeteoAlarm CC BY 4.0, PAGASA-DOST Philippines, India Meteorological Department, Thai Meteorological Department, EMSC-CSEM, Roshydromet, Kazhydromet, Office National de la Météorologie Algérie, INAMHI Ecuador, Dirección Meteorológica de Chile, National Center for Meteorology Saudi Arabia, region boundaries Eurostat/GISCO © EuroGeographics). Event details update every few minutes while the event is active; pages for expired events are removed. Always follow guidance from local authorities.