Add Yahoo as a preferred source to see more of our stories on Google. How does frost form? Find out in this week’s Weather Academy with meteorologist Jeff Penner. Braves SS Ha-Seong Kim out 4-5 months ...

MOBILE, Ala. (WALA) - If you have temperatures in the 20s and 30s, you have clear skies and light winds, there is the potential for frost to form. It may surprise you that some of the frostiest nights ...