The Storm Prediction Center has issued a "slight risk" for severe weather impacting the following counties in Pennsylvania on Monday:AdamsParts of Cumberland Parts of Dauphin LancasterLebanonSign up for our NewslettersMain weather threats Damaging wind gustsLarge hailIsolated weak tornadoesHeavy rainfall Rainfall amountsAccumulations will range from a few tenths of an inch up to 1 inch in areas affected by heavy thunderstorms.

Threat of tornadoes and quarter sized hail or larger also loom, but are at a low risk, according to the National Weather Service. Hail, tornadoes and 60 mph wind gusts are possible in the Myrtle Beach area on March 31, according to the National Weather Service.

At least 80 million people − from the Midwest to the South to the East − were in the path of turbulent weather Sunday into Monday.

The Lehigh Valley could see heavy rain and severe thunderstorms Monday as a cold front moves through the area.

Heavy showers and storms are rolling through Acadiana this Monday morning. Localized flash flooding is possible and there is a low risk for severe weather as storms have produced strong winds, hail, and tornadoes.

Monday has patchy fog in the morning and storms into the evening. The fog will lift by mid-morning, according to NWS Melbourne. Temperatures are expected to max out in the mid-80s near the coast and the upper-80s on the interior.

Before the weather system moved in, Alabama had been placed under a level three threat for potential severe weather. The ranking is from one to five with five being the highest risk of severe weather.

EDT the National Weather Service issued an updated severe thunderstorm warning in effect until 7:30 p.m. EDT for Clinton, Eaton, Gratiot, Ingham and Jackson counties.