National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Fig. 8. KMAF base reflectivity loop from 1828 to 1938 UTC shows convection associated with one of Claudette’s outer rainbands moving over the McDonald Observatory. This convection likely generated the relatively stronger winds noted on the Mount Fowlkes meteogram between 1830 and 1930 UTC.