Some parts of the central and northern VA had a cold morning that may have resulted in frost/freeze injuries on your vines.  You may see younger leaves with damaged tissues that are often become like scorched tissues (lower left leaves on the first picture; click the picture to see a larger picture).  Or you may see entire shoots become wilted (second picture; click to see a larger picture).  If only younger leaves are damaged, the shoots will recover over time.

It seems like tomorrow’s rain event will be a relatively cold one (mid to low 50’s) in terms of the disease development.  Hopefully we don’t see a major risk event.  We’ll see…