Flood Watches are in effect for parts of southern and central Texas through Thursday, November 20, 2025, as a low-pressure system moves east across the southwestern United States. The Weather Prediction Center has placed portions of the Southwest under a Slight Risk of Excessive Rainfall, with some areas expected to receive up to 150 mm (6 inches) of rain.
A Winter Storm Warning and a Freeze Watch is in effect for parts of California and Nevada through early Wednesday, November 19, 2025.
Santa Barbara recorded 169.5 mm (6.67 inches) of rain over a three-day period ending November 17 2025, setting a new rainfall record for the county. The series of atmospheric rivers that brought the record rainfall caused at least 7 fatalities in California due to heavy rain, flooding, and rough seas.
A Blizzard Warning is in effect for the Kuskokwim Delta coast and Nunivak Island, Alaska, until 05:00 AKST Monday, November 17, 2025, with visibility down to 400 m (1/4 mile), additional snow of 5–10 cm (2–4 inches), and wind gusts up to 80 km/h (50 mph) expected.
Heavy snow and gusts to about 65 km/h (40 mph) are forecast for the West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park in California on Monday, November 17, 2025, with a Winter Weather Advisory in effect until 16:00 PST. A brief break is forecast for Tuesday and Wednesday, followed by increased chances for rain and snow showers on Thursday, November 20.
At least 6 fatalities have been reported as of Sunday, November 16, 2025, as a powerful atmospheric river continues to impact California. With heavy rainfall of up to 200 mm (8 inches) being forecast, authorities are preparing for the threat of flash floods, landslides, debris flows across the state.
‘Super fog’ covered St. James Parish and parts of southern Louisiana on the morning of Friday, November 14, 2025. Near-whiteout conditions were reported on some roads, while visibility was reduced to 3 m (10 feet) in multiple areas.
A combination of the ongoing weak La Niña, the Madden–Julian Oscillation (MJO), and a rare November Sudden Stratospheric Warming (SSW), could bring colder winter-conditions across parts of the U.S. during late November and early December
Evacuation warnings were issued across multiple burn-scar zones in California on November 13, 2025, as a strong atmospheric river delivered high rainfall rates and elevated debris-flow potential.
A strengthening low-pressure system offshore is forecast to spread heavy precipitation and mountain snow across the Sierra Nevada from Thursday, November 13 through November 15, 2025. Winter Weather Advisories are in effect for the Eastern Sierra Slopes, Greater Lake Tahoe Area and the West Slope Northern Sierra Nevada, with snow levels forecast to drop into November 14 and accumulations reaching 30–60 cm (12–18 inches) at the highest peaks.
