Northern Mariana Islands Severe Flash Flood Warning | Effective 07/05/2026 22:06

Headline: 
Flash Flood Warning issued July 6 at 3:06PM ChST until July 6 at 5:00PM ChST by NWS Tiyan GU
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 5, 2026 - 10:06pm
Expires: 
July 6, 2026 - 12:00am
Description: 
FFWGUM The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Saipan... Tinian... * Until 500 PM ChST. * At 306 PM ChST, Satellite estimates indicate heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Satellite estimates. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, and streets as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Garapan, Dandan, China Town, Tanapag, As Mahetog, Koblerville, San Jose (Tinian Municipality), Chalan Kanoa I, San Antonio, Chalan Kanoa II, Chalan Kanoa III, San Roque, Kagman, Chalan Kanoa IV, Kagman III, Gualo Rai, Afetnas, Chalan Piao, Fananganan and Chalan Laulau.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Saipan, MP; Tinian, MP
Forcast Office: 
NWS Tiyan GU