Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 419 PM EDT Sun Apr 11 2021 Valid 00Z Mon Apr 12 2021 - 00Z Wed Apr 14 2021 ...Accumulating wet snow expected for the next couple of days across far Northern Plains as mountain snow gradually develops and expands across the northern and central Rockies... ...Strong to severe thunderstorms across central Florida will gradually subside later tonight... ...Unsettled weather continues over the Northeast as fire weather conditions give away to increasing chance of rain over the southern High Plains... A highly obstructed weather pattern across Canada will result in a low pressure system to remain nearly stationary over the Great Lakes for the next couple of days. Scattered areas of rain with possibly some embedded thunderstorms will linger from across the Great Lakes into the western portion of New England through Tuesday ahead of a weakening occluded front. Showers will be initially found over the Ohio Valley tonight. Some thunderstorms are also possible along the Mid-Atlantic coast before a cold front pushes the storms offshore by this evening, bringing only slightly cooler and drier air into the East Coast on Monday. Meanwhile, the obstructed pattern over Canada will promote colder than normal conditions across the Northwest and later into the northern and central Plains. Reinforcing shots of colder air rotating around the stationary low pressure system over the Great Lakes will provide the ingredients for wet snow to develop near the Canadian border over the northern Plains. The snow is not particularly heavy at a given time but the persistent nature of the snow is forecast to result in 6 to 12 inches of wet snow to accumulate by Tuesday evening across the northern half of North Dakota into northwestern Minnesota. Farther west, the obstructed pattern will also help a cold upper low to form and dip across the Pacific Northwest toward the Southwest for the next couple of days. This will bring colder temperatures together with slow development and expansion of mountain snow across the northern and central Rockies. Over the southern Plains, very warm temperatures over the southern Plains along with elevated fire weather conditions over the southern Rockies/High Plains will give way to cooler conditions along with a gradual increasing chance of showers and thunderstorms as a cold front moving through the region will begin to interact with moisture returning from the Gulf of Mexico. Lastly, strong gusty winds over parts of northern Plains should moderate tonight but they are expected to pick up from time to time as reinforcing shots of colder air arrive from Canada during the next couple of days. Kong Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php