As a storm system drifts slowly northward along the Atlantic coast, rain and drizzle will affect the Philadelphia area into the weekend with stormy weather at the shore.
Delays are possible at the airport and highways, due to rounds of windswept rain, low cloud ceilings and poor visibility in general.
Daytime warmth is all about sunshine, especially this time of the year.
High temperatures through Friday will range from the upper 50s to the lower 60s.
Even though the coastal storm may settle farther south over the weekend, moisture in the low levels of the atmosphere may be slow to get rid of. Clouds are likely to persist, along with episodes of drizzle and a bit of rain.
For folks who have time off and are heading to the beaches, plan on indoor activities as conditions can be stormy much of the time from the Outer Banks to the Delmarva Peninsula and New Jersey. Expect windswept rain, rough surf and above normal tides into the weekend at the shore with minor coastal flooding at times of high tide.
The risk of flooding downpours and gusty thunderstorms will increase across southern Florida as a tropical disturbance shifts northwestward from Cuba this weekend.
Slow-moving and repetitive downpours will raise the risk for flash flooding along the western Gulf Coast into early week.
Typhoon Lionrock is poised to make landfall in Japan early in the new week with heavy rainfall, damaging winds and an inundating storm surge.
Hawaii is facing two tropical threats this week as Madeline and Lester churn westward.
Hot and dry weather will greet fans and competitors at the 2016 U.S. Open Tennis Championships in Flushing, New York, as play begins Monday, Aug. 29.
Brief relief from heat and humidity will arrive in the northeastern United States at the start of September.
Rochester, MN (1979)
2.73 inches of rain fell in 50 minutes making this the wettest August on record. (9.52 inches of rain so far this month). The heavy downpour flooded the streets of Rochester, stranding about 1,500 cars.
A five-state tornado outbreak in Nebraska, Kansas, Wyoming, Iowa and Missouri occurred on this date. In all, 20 tornadoes were reported. Nine were in Iowa. One near Farragut, IA, in the extreme SW corner of the state, caused several fatalities and numerous injuries.
Sherman Pass, WA (1980)
2 inches of snow.