Arizona Severe Flash Flood Warning | Effective 09/18/2026 15:50

Headline: 
Flash Flood Warning issued September 18 at 3:50PM MST until September 18 at 5:15PM MST by NWS Flagstaff AZ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 18, 2026 - 3:50pm
Expires: 
September 18, 2026 - 5:15pm
Description: 
At 350 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Springerville, Lyman Lake State Park, Becker Lake and Lyman Lake. This includes the following highways... Highway 60 between mile markers 377 and 387. Highway 180 191 between mile markers 380 and 381...and between mile markers 386 and 394. This includes the following recreation areas and campgrounds... Lyman Lake Campground. This includes the following creeks, washes and rivers... Coyote Creek, Little Colorado River, Carnero Creek, Vigil Run and Nutrioso Creek.
Instruction: 
Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well.
Area Description: 
Apache, AZ
Forcast Office: 
NWS Flagstaff AZ
Sender: 
w-nws.webmaster@noaa.gov