Temperatures across the Northeast are expected to reach 4 – 10 °C (40 – 50 °F), melting significant snow accumulations from last week’s lake-effect snowstorm. Rainfall totals are forecasted to reach 76 – 127 mm (3 – 5 inches) in some areas, including the I-95 corridor.
A winter storm gripping the northeastern United States and Midwest caused chaos along the I-90 corridor in Pennsylvania, where lake-effect snow led to a multi-vehicle crash involving several semi-trucks on December 3, 2024. Conditions along the I-90 will be nearly impossible to travel today and meteorologists are urging to limit or cancel travel as blowing snow in Western Pennsylvania could reduce visibility to zero.
A powerful Arctic cold front is set to bring hazardous travel conditions across the Great Lakes and northeastern United States, with heavy snow squalls, strong winds, and whiteout conditions expected from Wednesday through Thursday, December 4 through 5, 2024.
An atmospheric river is forecast to bring significant precipitation to Washington and Oregon between Friday and Saturday, December 6 and 7, 2024, with the Olympic Peninsula and North Cascades expecting up to 127 mm (5 inches) of rainfall and AR2 conditions likely in southern Washington and northern Oregon. While confidence is high regarding the occurrence of the event, uncertainties remain in its duration, intensity, and precise timing due to variability among GEFS ensemble model predictions.
A low-pressure system is set to bring heavy snowfall, freezing rain, and challenging travel conditions across Alaska starting Tuesday, December 3, 2024, prompting the issuance of multiple Winter Weather Advisories.
A powerful storm system is set to intensify by Wednesday, December 4, 2024, bringing strong winds to the northern Plains and Midwest before spreading across the Great Lakes and Northeast by the end of the week.
The Thanksgiving holiday brought record-breaking lake-effect snowstorm to parts of the United States, with areas in New York State, such as Copenhagen, buried under as much as 1.22 m (4 feet) of snow.
A powerful lake-effect snowstorm fueled by record-warm water temperatures in the Great Lakes unleashed its full force over 2024 Thanksgiving weekend in the United States, burying parts of New York, Pennsylvania, and Michigan under more than 90 cm (3 feet) of snow. The city of Erie, Pennsylvania, experienced its snowiest day on record on Friday, November 29, receiving 57.4 cm (22.6 inches) of snow in 24 hours. The Arctic air colliding with the warm lake waters triggered intense snowfall rates of up to 100 mm (4 inches) per hour, creating hazardous conditions that are expected to persist until midweek.
An Arctic cold front is forecast to descend from the northern Plains into the Midwest on Friday, November 29, 2024 bringing the coldest temperatures since mid-February and significant snowfall across the Great Lakes region.
Multi-day lake-effect snow is set to disrupt travel and daily life across parts of Ohio and Pennsylvania starting on Thursday, November 28, 2024, with snow rates of up to 50 mm (2 inches) per hour expected, according to the National Weather Service (NWS).
