The first frost of the season is possible late Tonight into Saturday morning with lows approaching the freezing mark for a portion of southeast Kansas.

According to the National Weather Service, counties in southeast Kansas including Greenwood, Woodson, Allen, Cowley, Elk and Chautauqua counties will be under a frost advisory from 1 to 9 a.m. Saturday morning.  Montgomery County is not currently included in the advisory.

Temperatures as low as 33 will result in frost formation and those with sensitive plants should take action to protect them. Further to the west, a freeze watch is in place as temperatures could get down to the upper 20s for areas west of Wichita.