A dose of heavy rain has delivered flash and urban flooding problems at the end of the week in the mid-Atlantic and around Harrisburg, Pennsylvania.
A front responsible for torrential rainfall in Texas will joined with tropical moisture from the Atlantic late in the week.
As corridor of moisture pivots through the area into Friday midday, the rainfall produced could be heavy enough to cause additional incidents of flash and urban flooding, along with significant travel delays and disruptions to outdoor activities.
During Friday afternoon and Saturday, the bulk of the showers and thunderstorms will have shifted to the north and east. Travel conditions will improve locally.
A storm in the upper levels of the atmosphere will bring slightly cooler-than-average temperatures over the weekend. Temperatures typically range from a low in the lower 50s to a high in the middle 70s.
Much of Saturday will be free of rain for the Preakness Stakes at Pimlico.
For folks heading to the track, or attending ball games, graduations and weddings, chilly air aloft associated with the storm could bring brief very spotty showers, during the afternoon and evening hours Saturday and Sunday.
The stage is for severe thunderstorms to target parts of the Ohio Valley as the weekend comes to an end.
Rounds of rain will bring good news for unusually dry portions of the northeastern United States to start May.
Residents of the southeastern United States may feel like the calendar has flipped ahead to Memorial Day weekend with warm and muggy weather in place for the start of May.
A stormy pattern will persist across the western Gulf Coast into early May, threatening to trigger more flooding from Texas to Mississippi through at least Monday.
May is picking up where April left off with record-challenging warmth surging back into the northwestern United States.
Those looking to traveling or spending the bank holiday outdoors across the United Kingdom will face bouts of rain and wind, but dry conditions will follow by midweek.