A Freezing Rain Advisory has been issued and is in effect until 8am Sunday morning for the following counties, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Keokuk, Linn, Louisa, Muscatine, Scott and Washington. A seperate Freezing Rain Advisory will go into effect at 9pm this evening and will be in effect until 9am Sunday morning for Clayton County. Some freezing drizzle or light freezing rain is expected overnight over east central and southeast Iowa. Some of the precipitation may mix with some sleet and snow over EC and NE Iowa tonight. Amounts will be light, but roads may become slippery as temperatures hover at or below freezing overnight.