Widespread frost is expected overnight, which otherwise will be clear with a low around 33 degrees.
A Freeze Warning goes into effect from 1 to 9 a.m. Friday for Champaign, Clark, Darke, Greene, Logan, Miami, Montgomery, Preble and Ross counties, and a Freeze Watch will be in effect from 1 to 9 a.m. for Butler County, issued by the National Weather Service in Wilmington.
The chance for rain will decrease by the evening and clear skies are forecasted.
After areas of frost clear around 8 a.m., Friday will be mostly sunny and warmer, with a high near 61 degrees.
Friday night, clouds will continue to increase, and overnight after 2 a.m. the NWS called for a chance of showers and overnight temperatures around 45 degrees.
To start the weekend, Saturday will be cool and rainy, with showers expected to continue throughout the day, though rain chances are forecast to fall away around dark. Highs during the day will be around 59 degrees. Rainfall amounts between one-tenth and one-quarter inch are possible.
After showers end before 8 p.m. Saturday, the NWS predicted clouds will gradually clear as temperatures fall to an overnight low around 43 degrees.
Sunday will be mostly sunny and dry with a high near 61 degrees. Skies stay mostly clear Sunday night, with lows dropping to around 40 degrees overnight.