The heavy rainfall poses a risk of localized flooding, particularly in Western Maryland, where up to 4 inches of rain could accumulate in some areas. The Coastal Flood Advisory for Anne Arundel County warns of potential flooding during high tide. The Maryland Trek 13 participants, who are hiking and biking across the state, may face additional challenges due to the wet and stormy conditions. While the storms are not expected to be severe, the combination of rain and thunderstorms could lead to hazardous travel conditions and localized disruptions.