Arizona Severe Flood Watch | Effective 07/20/2026 22:33

Headline: 
Flood Watch issued July 20 at 10:33PM MST until July 21 at 10:00PM MST by NWS Flagstaff AZ
Event: 
Flood Watch
Urgency: 
Future
Effective: 
July 20, 2026 - 10:33pm
Expires: 
July 21, 2026 - 6:45am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of west central Arizona, including the following areas, Oak Creek and Sycamore Canyons and Yavapai County Valleys and Basins. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Deep monsoon moisture in place across northern Arizona will lead to storms capable of producing rainfall in excess of 2 inches per hour, resulting in an enhanced risk of flash flooding. - Additional information is available at weather.gov/flagstaff.
Instruction: 
Have a way to receive Flash Flood Warnings and be prepared to take action should warnings be issued.
Area Description: 
Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons
Forcast Office: 
NWS Flagstaff AZ