Flash Flood Warnings Cover Guam, Saipan, Tinian and Rota as Heavy Rain Continues
The National Weather Service has issued flash flood warnings for Guam, Saipan, Tinian and Rota in the Mariana Islands due to ongoing heavy rain, while a flood warning remains in effect for the Satilla River in Georgia and Indonesian authorities are preparing for landfill fires amid El Nino forecasts.
Flash Flood Warnings Issued Across Mariana Islands
The National Weather Service in Tiyan has issued a Flash Flood Warning for Guam until 1:15 a.m. ChST. [5] Separate Flash Flood Warnings have been issued for Saipan and Tinian until 1:30 a.m. ChST, and for Rota until 1:30 a.m. ChST. [2] [3] These warnings cover areas where Doppler radar indicated heavy rain, with between 2 and 3 inches of rain having already fallen in each location. [2] [3] [5] Additional rainfall amounts of 2 to 3 inches are possible in the Guam warned area, while 2 to 4 inches more are possible across the Saipan, Tinian and Rota warned areas. [2] [3] [5] All warnings are based on Doppler radar, with the Guam alert also incorporating automated rain gauge data. [2] [3] [5]
Heavy Rain Triggers Immediate Flooding Threat
At 11:08 p.m. ChST, Doppler radar and automated rain gauges indicated heavy rain falling across the Guam warned area, resulting in ongoing or expected flash flooding of small creeks and streams. [5] At 11:26 p.m. ChST, Doppler radar indicated heavy rain across the Saipan and Tinian warned area, where between 2 and 3 inches of rain have fallen and flash flooding is ongoing or expected to begin shortly. [2] At 11:25 p.m. ChST, Doppler radar indicated heavy rain across the Rota warned area, where between 2 and 3 inches of rain have fallen and flash flooding is ongoing or expected to begin shortly. [3] The hazard in each case is flash flooding caused by heavy rain, with impacts including flooding of small creeks and streams. [2] [3] [5]
Ongoing Flood Warning for Georgia's Satilla River
The Flood Warning continues for the Satilla River at Atkinson affecting Brantley County in Georgia. [1] Minor flooding is occurring and minor flooding is forecast at the Satilla River at Atkinson until Monday afternoon. [1] Impacts at 13.0 feet include effects on Warners Landing, Louis Landing and secondary roads around KOA campgr. [1] The next statement on this warning will be issued Monday morning at 9:45 a.m. EDT. [1] Additional information is available at https://water.weather.gov/wfo/JAX. [1]
Indonesia Prepares for Landfill Fires Under El Nino Threat
The Indonesian government has warned all local governments to step up preparedness for potential fires at landfills amid forecasts of extreme weather conditions over the coming months. [4] This follows a blaze at a landfill in Tangerang Regency near the Indonesian capital city of Jakarta, which has remained unextinguished for days. [4] Helicopters with water bombing have attempted to put out the fire at the smoldering landfill in Tangerang Regency of Banten Province. [4] Indonesian Deputy Minister of Environment Diaz Faisal Malik Hendropriyono stated on Saturday that a circular has already been issued to regional heads to anticipate situations like this, noting that the World Meteorological Organization has also issued a warning about El Nino. [4] The central government has provided a series of technical directives to regents and mayors. [4] Aerial drone photos and images from July 5, 2026, show firefighters attempting to put out the fire at the smoldering landfill. [4]
Current Severe Weather Alerts Summary
Active alerts include the Flash Flood Warning for Guam until 1:15 a.m. ChST, the Flash Flood Warnings for Saipan and Tinian until 1:30 a.m. ChST, and the Flash Flood Warning for Rota until 1:30 a.m. ChST, all based on Doppler radar with some including automated rain gauge data. [2] [3] [5] The Flood Warning for the Satilla River at Atkinson in Brantley County, Georgia, remains in effect until Monday afternoon. [1] Indonesian authorities have issued a circular to regional heads warning of heightened landfill fire risks due to extreme weather and El Nino forecasts, following the ongoing Tangerang Regency landfill blaze that required helicopter water bombing. [4] These warnings address ongoing or imminent flash flooding in the Mariana Islands, minor flooding along the Satilla River, and preparation for potential landfill fires in Indonesia.
What to watch next: The National Weather Service will issue the next statement on the Satilla River Flood Warning Monday morning at 9:45 a.m. EDT, while the flash flood warnings for Guam, Saipan, Tinian and Rota remain in effect through the early morning hours ChST, and Indonesian officials continue monitoring the Tangerang Regency landfill fire amid El Nino forecasts.
