 wouldn't be surprised we see another heat advisory we're still in the 90s on wednesday again on thursday and a one-day break with highs in the lower to middle 80s on friday we're back into the mid to upper 90s for the upcoming weekend dc mayor muriel bowser has extended the district's heat emergency through thursday that means district's cooling centers and water spray parks are open for folks to find some relief in fairfax county the public school system has canceled all outdoor activities for today