Arizona Severe Flash Flood Warning | Effective 07-16-2026 17:59

Headline: 
Flash Flood Warning issued July 16 at 5:59PM MST until July 16 at 8:30PM MST by NWS Tucson AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 16, 2026 - 5:59pm
Expires: 
July 16, 2026 - 8:30pm
Description: 
At 559 PM MST, Doppler radar indicated thunderstorms producing heavy rain across portions of the Tucson Metro. Between 1 and 1.5 inches of rain have fallen in the Tucson Estates and Catalina Foothills area. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Tucson, Oro Valley, Marana, Davis-Monthan Air Force Base, Casas Adobes, Drexel Heights, Flowing Wells, South Tucson, Three Points, Pascua Pueblo Yaqui Reservation, San Xavier Community, Tucson Mountain Park, Valencia West, Tucson Estates, Saguaro National Park West, Tucson International Airport, Catalina Foothills, Catalina State Park and Sabino Canyon Recreation Area. This includes the following highways... Interstate 19 between mile markers 56 and 63. Route 86 between mile markers 148 and 171. Route 77 between mile markers 70 and 81. Interstate 10 between mile markers 247 and 265. Route 286 between mile markers 40 and 45.
Instruction: 
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. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 8:30 PM MST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 8:30 PM MST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Pima, AZ
Forcast Office: 
NWS Tucson AZ