Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 313 PM EST Sun Jan 27 2019 Valid 00Z Mon Jan 28 2019 - 00Z Wed Jan 30 2019 ...Heavy snow expected across the Upper Midwest and Upper Great Lakes... ...Arctic air to bring dangerous wind chills across the northern Plains and Upper Midwest starting Tuesday... A frontal system dropping from the northern Plains will move into the Upper Midwest and Upper Great Lakes later tonight and into tomorrow. Blizzard warnings are currently in effect for eastern portions of North and South Dakota--where 3 to 6 inches of snow can along with wind gusts up to 60 mph. These conditions will cause blowing snow and white out conditions. Expect blizzard conditions for this region through Monday afternoon. Additionally, the heaviest snow accumulations are expected across the lake-shore region of Wisconsin and western Michigan where over a foot of snow will fall. Winter storm warnings and winter weather advisories have been issued from northern portions of the Upper Midwest into eastern Michigan and will stay in effect through Monday evening/night. The areas impacted by this winter storm will experience dangerous or impossible travel conditions. Once the system moves eastward into the Ohio Valley and Southeast, an Arctic airmass will follow suit. High temperatures on Tuesday across North Dakota and northern Minnesota will stay only in the negative teens! Wind chills could be as low as -45 degrees Fahrenheit for these areas. The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. This bitter cold will last beyond the short term period. The heavy rain across southern Florida will wind down this evening and into tonight as the front finally pushes eastward into the Atlantic Ocean. By Monday, lingering showers along the Atlantic coast of Florida could occur and will clear out completely by the afternoon. Reinhart Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php