A severe storm threat will exist by the afternoon over parts of the lowerMidwest and the Tennessee Valley. The trigger will be the cold front associatedwith the blizzard that crippled the central Plains and is now dropping snowover the Upper Midwest.Southeastern Missouri and southern portions of Illinois and Indiana, as wellas parts of Kentucky and Tennessee will be under the gun of the strongeststorms. Threats with the strongest storms will include damaging winds over 60mph and hail up to the size of golf balls. A few isolated tornadoes cannot beruled out.

Meanwhile, the warm and moist surge flowing in from the Gulf of Mexico aheadof the storm may also produce a few strong storms along the coast. By tonight,the risk of severe storms will increase over the Southeast.

Story by AccuWeather.com Meteorologist Meghan Evans