Tropical Depression Nine strengthened into Tropical Storm Isaias over the Gulf of America early Wednesday, October 7, 2026, according to the National Hurricane Center (NHC). The storm is forecast to rapidly strengthen into a hurricane by Thursday and approach the U.S. northern Gulf Coast on Friday.
Tropical Depression Nine formed over the southwestern Gulf of America on October 6, 2026, and is forecast to strengthen into a tropical storm early Wednesday and a hurricane on Thursday. The system is expected to approach the U.S. northern Gulf Coast on Friday, with an increasing risk of dangerous wind, storm surge and heavy rainfall impacts.
Hurricane Nolo was forecast to cross 180° longitude on October 4, 2026, and enter the western North Pacific at typhoon strength. At 23:00 HST on October 3 (09:00 UTC on October 4), the National Hurricane Center (NHC) placed Nolo 390 km (240 miles) southwest of Lisianski Island with maximum sustained winds of 175 km/h (110 mph).
Floods, landslides, and other rain-related disasters have killed at least 32 people across Nepal since September 24, 2026, while rescue teams have recovered 11 bodies from the September 27 Himlung Himal avalanche. Updated figures from Baglung and Manang raised the combined minimum from all incidents to at least 43 by October 1, with five avalanche victims still missing.
Heavy rain is forecast across the Four Corners region through 05:00 PT (12:00 UTC) on September 30, with 50–100 mm (2–4 inches) expected across much of eastern Arizona, western New Mexico, and the San Juan Mountains of southwestern Colorado. Moderate Risk excessive-rainfall outlooks, level 3 of 4, cover much of Arizona and New Mexico and parts of southern Utah and southern Colorado, corresponding to a ≥40% probability of flash flooding.
A slow-moving nor’easter weakened off New England on September 28, 2026, after producing an NWS-listed gust of 130 km/h (81 mph) at Montauk Point, nearly 160 mm (6.3 inches) of rain in southeastern Massachusetts and measured coastal inundation above 0.8 m (2.6 feet) in New York City. PSEG Long Island recorded more than 128 000 cumulative outages across Long Island and the Rockaways, with power restored to more than 99% of affected customers by late September 28.
Hurricane Polo made landfall on the west coast of Baja California Sur just south of Las Barrancas at approximately 23:00 MST on September 28 (06:00 UTC on September 29), with maximum sustained winds of 175 km/h (110 mph), according to the US National Hurricane Center (NHC). Life-threatening winds and flash flooding were ongoing, and Polo was forecast to cross the peninsula before making a second landfall in southern Sonora as a hurricane on Tuesday morning.
Category 3 Hurricane Polo was approaching Baja California Sur on September 28, 2026, as Hurricane Warnings covered sections of both coasts of the peninsula and mainland Sonora. At 05:00 MST (12:00 UTC), the National Hurricane Center placed Polo 175 km (110 miles) southwest of Cabo San Lázaro with maximum sustained winds of 185 km/h (115 mph), and forecast landfall in Baja California Sur late that afternoon or early evening before the cyclone reached southern Sonora as a hurricane late that night or early September 29.
Flooding in Thailand has killed eight people since September 16, 2026 and left 1.7 million people affected across 27 provinces outside Bangkok as of September 28. Bangkok remained flooded for a fourth consecutive day. Meanwhile a local volunteer rescue group in southern Myanmar reported recovering eight bodies and searching for 20–30 missing people in Launglon Township.
A long-duration nor’easter continued producing coastal flooding, heavy rain and strong winds from Virginia to New England on September 27, 2026, leaving tens of thousands of utility customers without power. Coastal Flood Warnings remained in effect along parts of the U.S. East Coast, while a 56-year-old man was killed and four people were injured in separate falling-tree incidents in Brooklyn, New York, on September 26.
