These snippets from LWX make me hopeful for central MD!
Some guidance indicates increased convergence
between I-81 and I-95 amid increasing PWATs Saturday night,
which could lead to localized higher rainfall totals.
Sunday afternoon and evening. In addition, there
is some potential for training of heavier showers and
thunderstorms particularly east of the Blue Ridge towards I-95
where it looks like the best overlap of low-level convergence
and higher PWATs will exist