WEATHER

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…

PACIFIC NORTHWEST — Another powerful atmospheric river is preparing to slam into western Washington and Oregon, bringing a dangerous stretch of heavy rainfall, rising rivers, landslides, and the potential for significant flooding beginning Tuesday and continuing through Wednesday night. Meteorologists warn that this incoming system may become one of the most impactful rainfall events of…

EASTERN UNITED STATES — A strengthening winter storm is poised to deliver widespread accumulating snow across Maryland, Pennsylvania, New Jersey, and Delaware tonight into Sunday morning, with updated short-term observations showing the potential for a high-impact 6–10 inch snow band across the region. Forecasters say the greatest accumulation is likely in northern Maryland and southeastern…

CENTRAL AND EASTERN UNITED STATES — A fast-moving clipper system is delivering a wide swath of heavy snow from the Midwest into the Ohio Valley and will continue pushing east into Pennsylvania, West Virginia, and parts of the interior Northeast through tonight. Forecast models remain firmly aligned on a concentrated corridor of accumulating snow stretching…

CENTRAL UNITED STATES — A fast-moving winter storm is expected to track from the Central Plains through the Midwest, Ohio Valley, and into the interior Northeast on Saturday, bringing a widespread band of accumulating snow that will impact travel across Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, and West Virginia. Forecast guidance shows a long corridor…

PACIFIC NORTHWEST — A powerful stretch of storms is setting up to deliver some of the heaviest rainfall on the planet over the next six days, with new model data showing Washington, Oregon, and Northern California facing extreme precipitation totals as a deep atmospheric river takes aim at the coast. Forecast maps show 5–10+ inches…

FLORIDA — A sharp and unusually early-season cold blast is set to hit the Sunshine State early this week, with the Florida Panhandle and North Florida expected to experience the most dramatic temperature plunge. Forecast maps show morning lows falling into the 20s and low 30s, while central and south Florida will see widespread 40s…

MIDWEST UNITED STATES — A powerful Arctic air mass is plunging temperatures to levels 30–35 degrees below normal across Minnesota, Wisconsin, Iowa, Illinois, and Michigan, marking one of the most severe December cold outbreaks in recent years. Weather models show that a broad section of the Midwest will experience single-digit highs, sub-zero lows, and widespread…

CHICAGO, Illinois — A powerful Arctic Blast is set to slam the Midwest and Ohio Valley tonight, delivering some of the most extreme temperature departures of the season. New ECMWF model data shows temperatures running 30 to 35 degrees below average, with wind chills plunging well below zero across a massive stretch of the central…