Wednesday portends a mild start to the weather day with temperatures in the upper 40s, but showers will increase through the morning commute. That scenario sets up a day of showers under cloudy skies.
A southerly wind will increase, making it quite breezy, but those winds will bring in the warmest air of the week as temperatures climb to the low 60s in most places.
Rain will continue at times on Thursday, behind a cold front that passes through at about sunrise that leave the area much cooler.
Temperatures likely to stay in the low to mid-40s all day will gradually drop into and through the 30s by Thursday night with rain changing to snow -- first in the northwest portion of the region.
Most computer forecast models have the region cold enough for snow all day Friday, but one model has the region still warm enough for rain until late in the day.
For that reason, there's a chance for morning rain southeast will change to snow But for the areas north and west of Dayton, and likely including the Dayton area, it will be mainly snow.
How much? It's still too difficult to say as of Monday evening, but light accumulations are a good possibility.
Temperatures will hold in the lower 30s all day then drop into the 20s by Friday night.
Road conditions could be an issue on Friday. The midweek warmth could provide a scenario where the roads are in good shape throughout the day but start to get slick Friday night after the sun sets. Snow will taper Friday night.
Saturday, early clouds will give way to sun but it will be cold as temperatures reach only into the upper 20s.
Simpson said the Storm Center 7 crew is watching a system that most likely arrives Sunday night and could potentially bring snow that could impact the Monday morning commute.
The region may warm up enough Monday to change the snow to rain depending on the track of the system, Simpson said.
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