The risky weather threat should end "prior to daybreak" on Saturday as the cold front is expected to clear the area of storms, according to forecasters. Isolated tornadoes are possible, and hail and heavy rainfall capable of producing flooding also are possible. Palmer said computer guidance indicates most areas will get one to two inches of rain, with some areas being hit with as much as four inches.
Storms will exit eastern Virginia by 4 a.m. The large hail and tornado threat will be the greatest with any discrete supercells that develop.
It looks to be a relatively cold storm, with up to 12 inches of snow possible at Sonora Pass on Highway 108.
The Storm Prediction Center just before 8 a.m. trimmed back the enhanced risk over parts of north Alabama.
Another (stronger) front arrives over the weekend with widespread rain and another chance for severe weather.
Below are reports from posts to the weather service's internal chat room by emergency managers, forecasters, ham radio operators and television meteorologists.
Much cooler air will gradually filter in from northwest to southeast highs around 40 by Monday. FutureTrack shows temperatures ranging from the mid 50s to the mid 60s Saturday afternoon.
Twisters are likely far from most people's minds this year as temperatures this spring have barely risen above 50 degrees. Rain chances diminish to 30 percent Sunday.
Wisconsin Governor Scott Walker has declared this week Tornado and Severe Weather Awareness Week.