It could be Saturday, Sunday or the front could stall and produce (mostly late day) storm chances both days. Tomorrow: Partly sunny. EXPRESS FORECASTToday: Partly sunny. Despite all the moisture in the air, late day storm chances are mostly low though slowly increase as the week wears on. Humidity is high as temperatures reach the upper 80s under partly sunny skies.

Source: Washington Post August 08, 2016 09:00 UTC