Guam Flash Flood Warning | Effective 04/14/2026 06:07

Headline: 
Flash Flood Warning issued April 14 at 11:07PM ChST until April 15 at 1:00AM ChST by NWS Tiyan GU
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 14, 2026 - 6:07am
Expires: 
April 14, 2026 - 8:00am
Description: 
FFWGUM The National Weather Service in Tiyan has extended the * Flash Flood Warning for... Guam... * Until 100 AM ChST. * At 1107 PM ChST, the public reported heavy rain and flooded roads across the warned area. Between 3 and 5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 2 to 4 inches are possible in the warned area. Flash flooding is ongoing. HAZARD...Flash flooding caused by heavy rain. SOURCE...Public reported. IMPACT...Flash flooding of small creeks and streams, urban areas, and streets as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Andersen AFB, Talofofo, Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo, Piti, Santa Rita and Umatac.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Guam, GU
Forcast Office: 
NWS Tiyan GU