A second round of severe thunderstorms rolled through the D.C. area Saturday evening.

A tornado warning issued for parts of Spotsylvania and Stafford counties in Virginia, as well as the City of Fredericksburg has expired.

A severe thunderstorm warning has also expired for Prince George's, Anne Arundel, Calvert, Charles counties in Maryland and parts of Stafford, Culpeper, and Spotsylvania counties in Virginia as well as Fredericksburg, Virginia, until 7 p.m.

Temperatures dropped significantly after the storms and went from the 90s to the upper 70s.

A heat advisory was issued for most of the D.C. area from noon until 7 p.m.

Temperatures will remain in the upper 90s through the weekend, with the heat index likely above 105 degrees.

Humidity levels will start to fall late Monday afternoon, and there will be some much-needed relief by Tuesday when temperatures top out in the mid to upper 80s.