Full Notification

Light snow across southeast Missouri, southern Illinois and the Evansville Tri-State region, precipitation will develop late tonight and increase after midnight.
Light rain, or a light rain, light snow mix is expected early on, followed by mainly light snow late
tonight into Sunday morning. Snow accumulations of up to around 1 inch will be possible, mainly on grassy and elevated surfaces. 

Farther south across southeast Missouri and west Kentucky Sunday morning, a period of light snow or sleet could result in a dusting on grassy and elevated surfaces only.

Instructions:

With low temperatures forecast to be in the lower 30s, a few slick spots
may develop on bridges and overpasses. Temperatures climb above
freezing by 9 AM.