The National Weather Service has issued a Severe Thunderstorm Watch for Germantown and all of Montgomery County as well as all surrounding counties and the District of Columbia until 11:00 pm tonight.
Be alert for rapidly changing weather conditions and be prepared to take shelter if a warning is issued. Thunderstorms will likely develop this afternoon.
A Tornado Watch is in effect for northeastern Maryland as well as Carroll and Howard Counties until 1:00 am overnight. Damaging winds and large hail are possible this evening, and an isolated tornado is also possible during this time.
Locally heavy rain is expected this evening and tonight with isolated incidents of flooding possible, mainly across northern and western Maryland and eastern West Virginia.