Temperatures at or near record levels next 72 hours

AUSTIN (KXAN) — Dense fog kept visibility at the Austin-Bergstrom International Airport at or below 1/2 mile for 16 consecutive hours last night through midday today. Fog has finally mixed out, and additional rounds of fog overnight tonight should remain lighter due to breezier winds.Highs near 80 degrees and overnight lows in the 60s are very rare for mid-December. In fact, each forecast daytime high and overnight low in Austin now through Friday evening are either close to -- or at -- da