National Weather Service United States Department of Commerce

Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

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Last Map Update: Sun, Jan 18, 2026 at 9:26:24 pm PST

The Inland Northwest will remain under a high pressure pattern through at least the first half of the workweek. Expect light winds, widespread stratus, and near to above normal temperatures to persist.
An Air Stagnation Advisory is in effect for much of the Inland Northwest through Tuesday. A strong ridge of high pressure will result in poor mixing and light winds with the potential for concentration of pollutants to accumulate near the surface.

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