A powerful atmospheric river is forecast to impact the western United States between October 25 and 31, 2025, bringing heavy rainfall, mountain snow, and high winds from Northern California to Washington.
A slow-moving storm system is tracking across the central United States and will continue through the weekend, bringing widespread showers and thunderstorms from the Great Lakes to the Mid-South. The National Weather Service (NWS) has issued Slight Risk areas for severe thunderstorms and excessive rainfall on Saturday, October 18, 2025, extending from the Ozarks into the mid-Mississippi River Valley, with potential for damaging winds, large hail, isolated tornadoes, and flash flooding.
A tornado-like storm struck Kuala Langat District, Selangor, Malaysia, at around 16:15 local time on October 15, 2025, injuring at least 13 people and damaging dozens of buildings. Eleven schoolchildren and two adults sustained injuries as strong winds tore roofs from houses and schools before authorities declared a Level 1 disaster and opened a temporary evacuation center.
Multiple spin-outs were reported along the I-80 near Truckee through the night of October 16, 2025, as a Pacific storm dropped the first heavy snow of the season over the Sierra Nevada. Chain control has been implemented at the Donner Summit, along the I-80, and US 50.
An atmospheric river (AR) is expected to reach the Pacific Northwest (PNW) on Saturday, October 18, 2025, bringing heavy rain and elevated freezing levels above 2 400 m (8 000 feet) before lowering as the system moves east. 25–100 mm (1–4 inches) of rainfall is forecast over coastal Washington and Oregon, with orographic enhancement expected on the Olympic Peninsula and Northern Cascades.
A powerful microburst struck Tempe, Arizona, around 13:00 LT (20:00 UTC) on October 13, 2025, as severe thunderstorms swept across the Phoenix metropolitan area. The event produced wind gusts up to 145 km/h (90 mph), uprooted trees, and damaged hundreds of structures. Over 130 residents were displaced, and estimates of customers without power at the storm’s peak ranged from 22 000 to over 34 000.
At least one person has died as remnants of Typhoon Halong brought severe flooding to western Alaska over the weekend. The storm caused widespread inundation, damaging infrastructure and isolating several communities.
A possible tornado ripped through Longview, Washington State on October 12, 2025, damaging multiple buildings, vehicles, and trees across the 14th Avenue area.
At least 64 people have died and 65 remain missing as of October 13, 2025, after days of torrential rain triggered severe flooding and landslides across several Mexican states, including Veracruz, Hidalgo, and Puebla. The events damaged nearly 100 000 homes, destroyed infrastructure, and prompted a large-scale rescue and relief operation involving the Mexican armed forces and civil protection units
Tornado warnings were issued across parts of Central California, including San Luis Obispo County, as a rare October storm brought heavy rainfall, gusts exceeding 110 km/h (70 mph), and localized flooding on October 13–14, 2025. Evacuation warnings were declared in Los Angeles County for burn-scar areas at risk of debris flows, while forecasters maintained a marginal tornado risk for southern coastal regions.
