A Frost Advisory is in effect for south central Iowa early Monday morning. Temperatures in the low-to-mid 30s overnight–with fairly light winds expected, means frost is possible. Sensitive vegetation may be adversely impacted if not protected or moved inside. By Wednesday and the rest of the week, lows should be back into the 40s and 50s, overnight. The Frost Advisory is in effect from 2 to 8 a.m. Monday morning.