SPRING PREVIEW: With sunshine in full supply, temperatures are in the mid 70s across much of Alabama this afternoon. Tonight will be clear with a low in the 50s. WARM DAYS AHEAD: Highs will be in the 70s again tomorrow, and over the latter half of the week South Alabama will have the potential to see low 80s. New record highs are likely along the way… here are the daily record highs for Birmingham this week:…