UNITED STATES — A powerful winter system dubbed Winter Storm Iona is set to unload extraordinary snowfall totals across the Upper Midwest from Saturday through Monday, with some areas in Wisconsin and Michigan projected to receive an astonishing 2 to 3 feet of snow. Forecast maps indicate a sprawling swath of heavy accumulation stretching from…
UNITED STATES — A strengthening area of low pressure is set to track across the Great Lakes tonight into Friday, unleashing a surge of strong winds across Illinois, Indiana, Ohio, Michigan and parts of Wisconsin. Forecast wind projections show widespread gusts exceeding 40 mph, with pockets of 50–60 mph gusts possible — and isolated higher…
UNITED STATES — Any brief lull in severe weather appears short-lived. Forecast models are converging on a powerful upper-level trough ejecting into the central United States this weekend, setting the stage for renewed severe thunderstorm development from the Mid-South on Sunday into the Mid-Atlantic by Monday. The evolving setup shows a dynamic storm system interacting…
UNITED STATES — A dramatic temperature divide across Illinois is fueling dangerous storm development this evening, with Chicago trapped in chilly upper-30-degree air while areas just to the south bake in the 70s and even low 80s. Real-time temperature analysis late Tuesday night shows one of the sharpest thermal gradients of the season stretched across…
UNITED STATES — High-resolution weather models are signaling the potential for rotating supercells across northern Maryland and the greater Washington–Baltimore corridor this evening, raising concerns for large hail, damaging wind gusts, and even an isolated tornado. Model projections focus particularly on areas west and northwest of Baltimore before storms track toward the metro region later…
UNITED STATES — A sprawling and dangerous severe weather outbreak that ignited Tuesday evening across the Central United States is continuing this morning as the system pushes eastward, leaving behind a corridor of widespread warnings stretching from South Texas to the Great Lakes. According to compiled alert data from March 10–11, a staggering 356 severe…
UNITED STATES — A broad and strengthening band of warmer-than-average ocean water is spreading across the eastern and central Pacific, signaling the early stages of what could become a developing El Niño pattern over the coming year. Sea surface temperature anomaly data from early March show a pronounced “warm tongue” extending westward from the coast…
UNITED STATES — A very active stretch of winter weather is unfolding across the Upper Midwest and Great Lakes, with multiple storm systems lining up over the next week and the potential for significant snowfall totals — including areas where snow could accumulate in feet rather than inches. Forecast guidance shows at least two additional…
UNITED STATES — Maryland and northern Virginia are under a conditional severe weather threat today, with forecasters closely watching storm development west of the Baltimore–Washington corridor that could later move east and bring damaging winds — and possibly a tornado — into the metro area this evening. While the overall tornado probabilities remain relatively low…
UNITED STATES — Northwest Oregon and southwest Washington are bracing for a prolonged atmospheric river event that could deliver 3 to 10 inches of rainfall in some locations through Friday, increasing the risk of minor river flooding, small stream overflow, and landslides in steep terrain. The 72-hour rainfall forecast from Wednesday morning through early Saturday…