Tomorrow | Weather | Flagstaff, Arizona

Active Weather Warnings
Thursday, August 13, 2026
Stormy Weather
Day 72°
Night 54°
Precipitation 70 %
Wind 10 mph
UV Index (0 - 11+) 4

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 1:11AM MST until August 13 at 12:00AM MST by NWS Flagstaff AZ
Aug 12, 1:00 PM Aug 13, 1:00 AM
WHAT: Elevated potential for Flash Flooding due to excessive
rainfall.

WHERE: Yavapai County, Coconino County, Navajo County, Apache
County and northern Gila County.

WHEN: From Noon MST Wednesday through Midnight MST Wednesday
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:
- High moisture values and increased instability will lead to
strong thunderstorms today and this evening.
- Additional information is available at weather.gov/flagstaff.
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Have a way to receive Flash Flood Warnings and be prepared to take action should warnings be issued. Consider changing your plans if you were going to hike, boat, or paddleboard to a slot canyon or normally dry wash. If you do still decide to recreate, check in at a nearby visitor center or ranger station.
Updated: Aug 12, 5:02 AM Source: NWS Alert