Above - Satellite/radar showing rain & storms Midwest - reaches East late Thursday...offshore Friday. Showers in Northwest - reaches Northeast Saturday and Sunday. If that 2nd front picks up some speed - things could improve during Mother's Day for Northeast. Best chance of that - New England. Below - today's risk of severe weather - dark green and yellow for Ohio Valley.
Below - rainfall predictions for the next 7 days...which includes this weekend. UGH !
Below - animated maps for the next couple of days.
Canadian Model for this Sunday - green indicates rain....so find your locations and you have a forecast by this model. Below - The GFS Model predicts for this Sunday.
Looks like the best chance of rain for Mother's Day - over Florida...next best chance - Northeast. Be safe.