Issued 352 PM EDT Thu Apr 19 2018 Valid Fri Apr 20 2018 - Sun Apr 22 2018 ...Well below normal temperatures expected across much of the Eastern U.S. on Friday and into the central states by Saturday... ...Dry and windy conditions will keep fire weather conditions at a critical to extreme level into the weekend... The same system which brought significant late season snow accumulations to portions of the upper Midwest on Wednesday has now pushed off the east coast, leaving exp...