Weather

SOUTHERN NEW ENGLAND — An extremely narrow swath of moderate snowfall is expected to develop tomorrow afternoon and continue into the overnight hours, bringing a sharp gradient in totals across the region. For many communities, precipitation will begin as rain before transitioning to snow, especially as colder air filters in during the evening. The heaviest…

UNITED STATES — A sharp east–west weather divide is taking shape across the country, with new ensemble guidance pointing to a brief but notable cold surge across the Eastern U.S. early next week, while much of the West turns significantly warmer than normal. The latest GEFS Heating Degree Day (HDD) trends show a rebound in…

NEW YORK — Long-range model guidance is highlighting the potential for a slow-moving, deepening coastal low near the classic “benchmark” position early next week, raising the possibility of a widespread snow event from eastern New York through much of New England. Forecast projections for Monday into Tuesday show a strengthening low-pressure system offshore, positioned southeast…

INTERIOR NEW ENGLAND — A developing late-week storm system could bring a swath of accumulating snow across much of interior New England on Friday, as strong high pressure over Canada funnels just enough cold air south to keep precipitation falling as snow. Forecast guidance indicates the most significant accumulation potential will stay inland, away from…

BRITISH COLUMBIA — A developing upper-level shortwave combined with modified Arctic air could set the stage for a potential accumulating snow event across metro Vancouver and lower elevations late Wednesday night into Thursday. Forecast guidance indicates this may be one of the few realistic opportunities this season for measurable snow in lower-elevation areas of the…

 NORTHWEST KANSAS — Extremely Critical fire weather conditions are expected Tuesday across portions of the central High Plains, where strong winds, very low humidity and dry fuels will combine to create a volatile wildfire environment. The highest threat zone centers on northeast Colorado, extending into western and southwest Nebraska and far northwest Kansas, where fire…

SOUTHERN CALIFORNIA — A developing quasi-linear convective system (QLCS) is advancing toward the Central and Southern California coastline, placing areas from San Luis Obispo and Santa Barbara to Ventura, Los Angeles and Long Beach under a risk for strong winds and a brief isolated tornado or waterspout. The line of thunderstorms is approaching from the…

CENTRAL PLAINS AND OHIO VALLEY — A large and dynamic storm system is projected to organize Thursday, tracking from the Central Plains into the Ohio Valley and bringing a sharp divide between severe thunderstorms to the south and heavy snow across portions of the Midwest. Forecast data indicates a strengthening surface low deepening to around…

SOUTHERN NEW ENGLAND — A potentially more organized winter setup is taking shape for Friday into early Saturday, as a blocking pattern to the north helps secure cold air across Massachusetts, Connecticut and Rhode Island while a developing coastal system brings moisture into the region. Forecast guidance suggests this system could carry more moisture than…

VIRGINIA — A sharp temperature divide could set up across the Mid-Atlantic by midweek as a backdoor cold front attempts to push southwest and stall somewhere near Maryland and northern Virginia, placing Baltimore directly on the battleground between chilly air and early-spring warmth. Forecast guidance shows a dramatic north-to-south contrast developing by Wednesday afternoon. Backdoor…