Some storms are popping up after dangerous heat and humidity stifled the D.C. area again Monday.
A flood warning is in effect for parts of Fairfax County and the city of Alexandria until 12:15 a.m. Tuesday.
Severe thunderstorms moved through parts of Maryland and Virginia Monday evening.
The week began with a high of 99° and heat index values up to 108° in D.C.
The National Weather Service issued a heat advisory until 8 p.m. for the D.C. area. Storm Team4 has declared Monday a weather alert day.
An excessive heat warning is in effect for locations right along the Chesapeake Bay and on the Eastern Shore since the heat index could top out over 110°.
Coronavirus testing sites and free grocery sites were closed in Washington, D.C., due to the dangerous levels of heat. However, meal sites and cooling centers were open. For more information, call 311. Anyone who needs a test should contact their doctor.
Latest weather forecast, live radar and weather maps for Washington, D.C., Maryland and Virginia
Montgomery County made cooling centers available. Call 311 or go here for more information.
Tuesday will bring more dangerous heat, with a heat index around 102-107°. Some late-day thunderstorms are possible.
These intense conditions mean you need to take extra precautions to stay safe and healthy: Drink more water to stay hydrated; stay in cool areas or air conditioning as much as possible; check in with elderly neighbors and avoid strenuous outdoor activity. Watch kids, pets and neighbors carefully; never leave them sitting in the car alone.
Stay with Storm Team4 for the latest weather forecast.