Arizona Severe Flood Watch | Effective 08/10/2026 02:24

Headline: 
Flood Watch issued August 10 at 2:24AM MST until August 10 at 10:00PM MST by NWS Tucson AZ
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 10, 2026 - 2:24am
Expires: 
August 10, 2026 - 10:00pm
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southeast Arizona, including the following areas, Baboquivari Mountains, Catalina and Rincon Mountains, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Santa Cruz River Valley/Altar Valley and Western Pima County. * WHEN...From 2 PM MST this afternoon through 10 PM MST this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Scattered to numerous thunderstorms are expected this afternoon into this evening. Rainfall rates in excess of 1 inch per hour are expected with the stronger storms with isolated areas having the potential of 2 inches or more in an hour. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven; Baboquivari Mountains including Kitt Peak
Forcast Office: 
NWS Tucson AZ
Sender: 
w-nws.webmaster@noaa.gov