• Evacuation orders remain near Santa Clarita after Bouquet Fire burns 424 ha (1 048 acres) in Los Angeles County, California

    Evacuation orders remained in effect northeast of Santa Clarita early on October 5, 2026, after the Bouquet Fire burned 424 ha (1 048 acres) in the Angeles National Forest and reached 48% containment late on October 4. The fire expanded from 8 ha (20 acres) to approximately 405 ha (1 000 acres) in less than 3.5 hours on October 3, prompting road and recreation-area closures.

  • California heat wave triggers Heat Advisories and Extreme Heat Warnings through October 8

    A long-duration October heat wave is affecting California under an anomalous ridge over the western United States, with Heat Advisories and Extreme Heat Warnings in effect from Northern and Central California into Southern California. The NOAA/NWS Weather Prediction Center (WPC) forecasts October 3 as the hottest day of the short-range period, with temperatures about 8–11°C (15–20°F) above normal and some valleys reaching approximately 42°C (107°F).

  • Hurricane Polo and remnants of Odalys bring heavy rain and flash flood risk across the Four Corners region, U.S.

    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.

  • Nor’easter exits after days of heavy rain and coastal flooding across U.S. Northeast

    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.

  • One dead, tens of thousands without power as nor’easter impacts U.S. Northeast

    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.

  • High Wind and Coastal flood alerts issued as nor’easter brings coastal flooding to Virginia

    A strengthening nor’easter was producing coastal flooding in southeastern Virginia on September 25, 2026, while high winds, heavy rain, high surf and additional tidal flooding were forecast from New York to New England through the weekend. High Wind Warnings covered coastal Massachusetts and most of Rhode Island, with gusts of 70–95 km/h (45–60 mph) expected.E

  • Long-duration nor’easter brings coastal flooding to Virginia, threatens Northeast US with damaging winds and heavy rain

    A long-duration nor’easter is forecast to bring coastal gusts of 70–95 km/h (45–60 mph) and periods of heavy rain to southern New England from September 25, 2026 through the weekend. High Wind Warnings are in effect for coastal and southeastern Massachusetts and most of Rhode Island. Coastal Flood Warnings remain in effect across southeastern Virginia, where the National Weather Service (NWS) forecasts 0.6–0.9 m (2–3 feet) of inundation.

  • Tropical Storm Nolo strengthens south of Hawaii, up to 890 mm (35 inches) of rain forecast

    Tropical Storm Nolo strengthened south of Hawaii on September 24, 2026, as forecasters warned of potentially life-threatening flooding across Hawaii Island. At 05:00 HST (15:00 UTC), the Central Pacific Hurricane Center (CPHC) reported maximum sustained winds of 95 km/h (60 mph) and placed Nolo approximately 460 km (285 miles) south of South Point. The CPHC forecast 380–510 mm (15–20 inches) of rain across Hawaii Island, with localized totals near 890 mm (35 inches).

  • Flood watches cover much of New Mexico as multi-day heavy rainfall event begins

    Flood Watches cover much of New Mexico on September 22, 2026, as a multi-day surge of tropical and monsoon moisture is forecast to produce repeated rounds of heavy rain and thunderstorms through at least September 24. The Weather Prediction Center (WPC) placed portions of southern New Mexico under a Moderate Risk of excessive rainfall, level 3 of 4, for the first 24-hour period, with the Moderate Risk shifting into parts of eastern New Mexico during the following period. Flash flooding, river flooding and debris flows near recent burn scars are possible.

  • California declares statewide emergency as very strong El Niño develops ahead of 2026-27 winter

    California Governor Gavin Newsom proclaimed a statewide emergency on September 21, 2026, to accelerate preparations for potential flooding, landslides, coastal hazards and other winter impacts as a strengthening El Niño develops in the tropical Pacific. NOAA said there is a greater than 90% chance the event will become very strong during Northern Hemisphere autumn and winter 2026–27.