 The KNOX Dramatic five-day forecast from staff meteorologist Mark Ewins. Isolated afternoon storms, a high of 79, southwest release to 25. Clear tonight, drop to 57, west release 5 to 15. Sun followed by clouds and a warmer 82. Cloudy and a few storms, Independence Day, high temp 80. Mainly dry, 81 Friday. Saturday, a few storms and 80. Currently 73.