
via National Weather Service
From NWS:
“It will be an active weather day as severe thunderstorms are expected to impact areas east of the Alleghenies. These storms are forecast to reach the I-95 corridor during the evening rush hour. Thunderstorm chances persist into the early overnight hours.”

Update at 10:12am:
“Severe thunderstorms are possible this afternoon with localized damaging wind gusts and large hail being the primary threats. Please stay weather aware, and be ready to seek shelter if warnings are issued.”

And yesterday they wrote: “Increased confidence in severe thunderstorms with large hail and damaging winds on Monday afternoon. Latest update from @NWSSPC has brought an Enhanced Risk for severe storms along/east of the I-95 corridor.”
From the Mayor’s Office:
“Due to the current temperatures and forecast of extreme heat, Mayor Muriel Bowser has activated the District’s Heat Emergency Plan for Monday, June 26. The Heat Emergency Plan will be activated on Monday, June 26 at 1:00 p.m. and will remain activated until conditions improve. There is also a chance of showers and thunderstorms today, mainly after 4:00 p.m. Some storms could be severe, with large hail and damaging winds, gusting as high as 20 mph.”