WEATHER

PENNSYLVANIA — A strong storm system is setting up to impact large portions of the Central and Eastern United States by the end of this week, with the most significant effects expected across Pennsylvania, New Jersey, New York, Maryland, Virginia, and Ohio. Forecast models show a powerful warm-side system capable of producing widespread rainfall, damaging…

MINNESOTA — A new surge of arctic air is expected to sweep into the Upper Midwest on Thursday, bringing another round of dangerously cold temperatures across Minnesota, Wisconsin, Iowa, and Illinois. While this incoming system is not projected to be as severe as the recent weekend arctic blast, forecasters warn that subzero temperatures and pockets…

FLORIDA — A Sharp North–South Temperature Divide Sets Up Monday Morning, A powerful surge of cold air will sweep into northern Florida early Monday, producing some of the coldest readings the region has seen this season. The temperature gradient across the state will be unusually sharp, with the Florida Panhandle plunging into the low and…

PACIFIC NORTHWEST — A new and potentially more destructive round of atmospheric river rainfall is set to begin Monday, threatening communities across Washington and Oregon with flooding, landslides, road washouts, and dangerous travel conditions. Forecast models show this incoming plume of moisture as the third major atmospheric river event in just over a week, hitting…

ILLINOIS — A fast-moving Alberta Clipper has revealed one of the most dramatic snowfall gradients of the season, with satellite imagery showing a razor-sharp cutoff between areas that received significant accumulation and locations that saw almost nothing. The storm’s narrow band of heavier snow left parts of Illinois blanketed, while nearby regions in Missouri recorded…

ILLINOIS — A powerful surge of Arctic air is set to deliver one of the coldest mornings of the season on Monday, bringing widespread single-digit lows and record-challenging temperatures across Illinois, Indiana, Kentucky, and Ohio. Forecast maps show that the core of the cold settles directly over the Midwest and Ohio Valley, driving temperatures far…

UNITED STATES — A broad swath of winter weather from the Midwest to the Northeast delivered a widespread stretch of accumulating snow over the past 24 hours, with thousands of reports submitted to National Weather Service offices by Sunday morning. The system tracked eastward across Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, and into New…

MARYLAND — A fast-moving winter storm delivered a wide range of snowfall amounts across Maryland and southeastern Pennsylvania on Sunday, with totals varying dramatically from a light coating near Washington, D.C., to more than 8 inches in higher terrain farther north and west. Updated spotter reports and final mapping now provide a clear picture of…

NORTHEASTERN UNITED STATES — Updated model guidance now shows a significant shift away from the previously advertised well-above-average Christmas warmup, with temperatures instead expected to remain average to slightly below average across much of the Northeast heading into Christmas week. This marks the fourth long-range modeling reversal in recent days, as earlier projections of a…

UNITED STATES — A major shift in the national weather pattern is expected to bring significantly above-average temperatures across the Central and Southern United States during Christmas week, with the strongest anomalies centered over Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, and Georgia. Forecast data from NOAA and the ECMWF ensemble indicate that these states could…