Heavy rainfall associated with slow-moving thunderstorms affected the Sierra Blanca region of southern New Mexico on September 18, leading to rapid runoff and flash flooding in the Village of Ruidoso. The National Weather Service issued flash flood warnings as runoff rapidly filled the Rio Ruidoso and smaller drainages. The river crested at about 3.8 m…
Remnants of Tropical Storm Mario brought widespread rainfall to California and the Desert Southwest on September 17–18, 2025, prompting water rescues, triggering mudslides, and flash flooding across the region.
The PGA Tour has canceled the 2026 Sentry Tournament of Champions, originally scheduled for January 8–11 at the Plantation Course in Kapalua, Maui, Hawaii, due to severe drought and irrigation restrictions. The event, which has opened the PGA season at Kapalua since 1999, will not be contested at the course for the first time since…
Kīlauea summit, Hawaii, is showing strong gas pistoning and overflows ahead of the next eruptive episode, with Pele’s hair and volcanic gas already affecting the summit area and nearby communities. The Hawaiian Volcano Observatory (HVO) warns that episode 33 lava fountaining is expected to begin over the next 1 to 3 days.
Moisture from post-tropical Mario is forecast to spread into southern California on September 18, 2025, bringing thunderstorms and rainfall totals of 25–75 mm (1–3 inches) through Friday. Rainfall rates may exceed 25 mm/h (1 inch/h), prompting Flood Watches and Flash Flood Watches across much of the region. Arizona and New Mexico are also expected to see widespread showers and thunderstorms with localized flooding into September 19.
A slow-moving coastal low is forecast to track northwestward into the Mid-Atlantic through September 18, 2025, bringing multiple hazards including heavy rainfall, gusty winds, shallow coastal flooding, rip currents, and large surf.
At least 19 tornadoes were reported in North Dakota on Sunday, September 14, 2025, as severe storms brought 50–150 mm (2–6 inches) of rainfall and widespread flooding across the south-central region. Tornadoes were also reported in South Dakota and Kansas.
Flash flood struck Benson, Arizona claiming one life and prompting two rescues, overnight Friday into Saturday, September 12 to 13, 2025.
A long-track tornado was confirmed northeast of Montezuma Creek in San Juan County, Utah, between 12:30 and 13:05 MDT on September 13, 2025, about 10–13 km (6–8 miles) northeast of Montezuma Creek and 35 km (22 miles) southeast of Blanding. The National Weather Service issued a tornado warning for southeastern Utah and western Colorado.
A lightning-sparked wildfire known as Garnet Fire entered the McKinley Grove of giant ancient sequoias in California’s Sierra National Forest on September 8, 2025. Firefighters reported ember ignition in upper branches but no complete canopy burn. Containment stands at about 15% after burning 22 000 ha (55 000 acres) since igniting on August 24.
