Freeze Warning for much of the Wabash Valley tonight from 2am to 9am EDT. Temperature could drop as low as 30. This could be a killing frost.

Quickly warming Sunday to 67. Breezy with southeast gusts to 35 mph.

Cover the sensitive vegetation tonight. Skies will be clearing and winds will lighten, perfect for a killing frost. Areas not under the Freeze Warning will still see frost.

In Illinois, Coles and Edgar counties, and counties south in the Warning. In Indiana, Sullivan, Greene, Owen and all counties south.