08:25 PM EST
The National Weather Service (NWS) Doppler Radar indicated a severe thunderstorm capable of producing quarter size hail. The NWS issued a Severe Thunderstorm Warning for Northeastern Bullitt County, Northern Nelson County, Southern Shelby County and Spencer County in north central Kentucky.
The risk of damaging thunderstorms will affect the Tennessee and Ohio valleys tonight. A couple of the strongest storms can produce a tornado.
Powerful thunderstorms will visit some areas hit by damaging storms a day earlier and blanketed by snow this past weekend.
Radar showing thunderstorms firing up over part of northern and central Kentucky.
According to Severe Weather Expert Henry Margusity, "Discrete thunderstorms are forecast to ignite in portions of southern Indiana, southwestern Ohio, much of western and central Kentucky and much and western and central Tennessee this evening."
Cities in the path of the storms forecast to erupt include Lexington and Bowling Green in Kentucky, Cincinnati in Ohio, Clarksville, Jackson and Nashville in Tennessee.
According to Senior Meteorologist Rob Miller, "Overnight, there is the risk of severe thunderstorms stretching from part of the West Virginia to northern Mississippi."
A line of storms is forecast to develop this evening ahead of an advancing cold front.
This phenomenon is known as a squall line and is notorious for bringing high straight-line winds and a brief period of very heavy rain, while resulting in a reduced tornado threat.
In addition to the risk of a few tornadoes, many of the storms will bring strong wind gusts, hail, blinding downpours and frequent lightning strikes.
A number of communities could be hit with damaging winds gusts, power outages and destructive large hail this afternoon into tonight.
Folks planning on being on the road or outdoors during this time should be prepared for rapidly changing weather conditions and should keep alert on official watches and warnings issued for their area.
As the storms approach and move through prospective areas, disruptions to flights are likely to occur at area airports.
North of the severe weather threat area, a snowstorm will unfold from Chicago to Detroit tonight.
The risk of severe thunderstorms will develop along the southern Atlantic Seaboard during Friday.
Dry weather will continue into the early part of the week before showers and thunderstorms return midweek.
A dip in the jet stream will allow cool air from Canada to linger through the week in the Minneapolis region.
A disturbance will swing across the Midwest and fire a round of severe thunderstorms to end the weekend.
Cooler conditions will move into the Interior Northeast early this week, but the warmth will hold on a little longer along the Interstate-95 corridor.
The air felt like an exceptional 163 F in Bandar Mahshahr, Iran, on Friday and similar or worse conditions will follow.
Drenching thunderstorms bring little-to-no relief to drought-stricken areas of the Sunshine State.
Hurricane Erin crossed central Florida from the east with 50-70 mph wind gusts. 9.06" of rain fell in Melbourne. (An all time 24 hour record).
Erie, PA (2000)
1.75" diameter hail.
A total of 5.31" of rain.