NWS Las Vegas NVFF.W 0041September 16, 2026
Flash Flood Warning: Mohave and San Bernardino, AZ and CA
The National Weather Service office in Las Vegas issued a flash flood warning for Mohave and San Bernardino in Arizona, California, which was in force until 9:30 p.m. local time on September 16. It was the 41st flash flood warning the NWS office in Las Vegas issued in 2026. Arizona had 145 flash flood warnings in September 2026, against 41 in an average September of 2008-2025 (Arizona's flash flood warnings by year).
ExpiredWarning
In force for 3.6 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Las Vegas NV
- Area
- Mohave and San Bernardino
- State
- Arizona
- Level
- Warning
- Issued
- 5:52 p.m. PDT, September 16, 2026
- Expires
- 9:30 p.m. PDT, September 16, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KVEF FF.W 0041
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Arizona since 2008Every warning type in Arizona
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWVEF The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... South Central Mohave County in northwestern Arizona... San Bernardino County in southern California... * Until 930 PM PDT /930 PM MST/. * At 552 PM PDT /552 PM MST/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Lake Havasu City, Parker Dam, Alamo Lake, Cattail Cove State Park, Black Meadow Landing Campground, Three Dunes Campground, Earp and Big River.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.