 Definitely doesn't happen very often. We continue under an excessive heat warning for another hour or so until 8. This hot and humid weather could bring those storms to our region that we mentioned. We're under a severe thunderstorm watch until 10 this evening. We invite you to keep it here on WTOP for the full forecast. But the heaviest rain right now is pushing through central parts of Loudoun County, central parts of Frederick County in Virginia and Maryland.