WEST PALM BEACH, Fla. (WFLX) - A cold front will sweep through on Thanksgiving Day, allowing for cooler air to filter in throughout the day. High temperatures on Thursday will be in the upper 70s or near 80 degrees. Anticipate a chilly Friday morning with lows in the upper 50s, with some upper 40s possible north of Lake Okeechobee. A brisk wind will keep highs in the upper 60s to lower 70s on Friday afternoon.