National Weather Service United States Department of Commerce

Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

A band of heavy lake effect snow formed on Tuesday night over Lake Michigan, affecting parts of northwest Indiana and extreme southwest lower Michigan. The visible satellite image below shows how the single band extended along the length of Lake Michigan in contrast to the multiple bands over Lake Superior and Lake Huron.

The heaviest snow fell in Indiana in Porter and La Porte counties, where several locations reported more than 16 inches of snow through around 9a on Wednesday. Snowfall rates of 1-3" per hour and whiteout conditions were also reported on Tuesday night. The map below includes official and unofficial reports from emergency managers, co-op program observers, CoCoRaHS, snow spotters, and amateur radio operators through around 9a on Wednesday. Much appreciation is extended to everyone who measured snowfall and made those reports available.

map of snowfall totals

 


Kanofsky