Good morning, Washington. Today will be mostly sunny with highs in the lower 80s. If you’re driving in Northwest, be advised NBC4 is reporting portions of Missouri Avenue and Military Road are closed due to a water main break. DCist contributor Jeff Simmermon snapped this photo in Dupont Circle last night. Alexandria Power Plant To Close: A power plant on the banks of the Potomac river in Alexandria that has long antagonized residents may close…