The weather service said a flood watch means a potential for flooding exists based on forecasts. A cold front will move through Kentucky around daybreak Friday, with temperatures quickly dropping throughout the rest of the day.
After a high of 35 Thursday, the temperature will fall to near zero overnight. Freezing rain, which will transition into snow, is expected through the weekend, causing hazardous driving conditions, especially on untreated surfaces with isolated to scattered power outages possible.
In addition to the flooding concern, there will be areas of fog (locally dense) as the mild air moves over the snow on a strong southerly flow.
The National Weather Service predicts that Sunbury will receive less than a half inch of new snow/sleet accumulation tonight and less than one inch of new snow accumulation on Saturday. Southeast wind 5 to 10 miles per hour.
A winter storm watch is in effect in the Crawford County area from noon Friday to 10 a.m. Saturday, according to the National Weather Service in Cleveland. Temperatures in the northeast region will only reach the low 30s and are not likely to raise above freezing.
FRIDAY NIGHT: A wintry mix to snow will develop with overnight low temperatures around 16 degrees.
The ice will result in hard travel conditions, including during the morning commute on Friday.
Wednesday looks cold with snow ending.
There is a high likelihood of significant urban street flooding, most notably where storm drains remain clogged.
Sunday will be mostly sunny with a high near 23 degrees during the day and a low around 4 degrees at night.
The Weather Service is forecasting conditions for a flash freeze for the Genesee Valley and Northern Finger Lakes, including Livingston County, as most likely between 3 and 6 p.m. Street flooding is possible as heavy rain and snow melt continue to runoff into roads. Winds will be coming from the northwest at 9 to 18 miles per hour, with gusts as high as 28 miles per hour.
Tuesday Night: Clear, with a low around 17.