9 P. ^6 A! J# I/ kIssued at 3:45 PM MDT Wednesday 18 September 20139 f' X1 C/ U$ H# D
Summary 3 P% y, X" p" g YFrost expected overnight. 6 q) ?+ D, Z+ }$ m! ^. FDetails' I. D& y. l0 }4 m* N8 f K
Temperatures will drop below zero as skies clear overnight.