Headline:
Flash Flood Warning issued September 23 at 5:15PM MST until September 23 at 7:45PM MST by NWS Flagstaff AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 23, 2026 - 5:15pm
Expires:
September 23, 2026 - 7:45pm
Description:
At 515 PM MST, a river gauge on the Agua Fria River reported a rapid
rise of 3.3 feet from earlier thunderstorms producing heavy rain.
Between 1 and 2 inches of rain have fallen. Flooding impacts will
continue, but no additional rainfall is expected. Flash flooding is
already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Agua Fria River.
SOURCE...River gauge reported.
IMPACT...Life threatening flash flooding of areas in and around the
Agua Fria River.
Some locations that will experience flash flooding include...
Agua Fria National Monument and Black Canyon City.
This includes Interstate 17 between mile markers 243 and 245.
This includes the following creeks, washes and rivers...
Badger Spring Wash, Larry Creek, Agua Fria River, Black Canyon
Creek, Bishop Creek, Squaw Creek, Antelope Creek, Indian Creek,
Slate Creek, Silver Creek, Black Canyon, Tank Creek and Copper
Creek.
Instruction:
Turn Around, Don't Drown! Avoid driving across the Squaw Valley Road
low water crossing in Black Canyon City. Flash flooding of the Agua
Fria is occurring.
Low water crossings will become dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.
Get out of washes and creeks if you are camping or hiking! Flooding
is occurring and will inundate creeks and washes.
Area Description:
Yavapai, AZ
Forcast Office:
NWS Flagstaff AZ
Sender:
w-nws.webmaster@noaa.gov