 Then for tomorrow, it's going to be a very hot day. Heat advisory goes into effect at 12 noon, and we'll see that extend until 8 o'clock in the evening. Temperatures will reach anywhere between 93 and 98 degrees, and feels like readings around 100 to 108. We'll slowly cool things down tomorrow evening. Patchy fog by early, early in the morning on Saturday. High Saturday will be in the mid-90s, but not as humid on Sunday. At this hour, it is 79 degrees downtown, 77 in Tysons, and 80 degrees at Delphi.