Arizona Severe Flood Watch | Effective 08/10/2026 11:12

Headline: 
Flood Watch issued August 10 at 11:12AM MST until August 10 at 10:00PM MST by NWS Tucson AZ
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 10, 2026 - 11:12am
Expires: 
August 11, 2026 - 7:00am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Tucson Metro and Santa Cruz County. * WHEN...Until 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. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail
Forcast Office: 
NWS Tucson AZ
Sender: 
w-nws.webmaster@noaa.gov