
PSA: Tornado and severe thunderstorm watches until 10 p.m.
The most likely timeframe for storms in the DC region is between 3 and 9 p.m., progressing from west to east, although an isolated shower or storm is possible before then. Around the Beltway, storms are most probable between about 4 and 7 p.m.
Storms will produce heavy rain and lightning, and some could produce damaging wind gusts of 55 to 70 mph. There is also a slight risk of a few tornadoes...
Rtfa