The National Weather Service says there is a 30 percent chance of snow in St. Lawrence County on Wednesday morning.

Leading into that, forecasters predicted a 20 percent chance of rain and snow Tuesday night with temperatures around or just above freezing.

Wednesday night, NWS says, brings a 30 percent chance of rain then snow with temperatures just under 30 degrees.

Thursday and Friday are predicted to bring respective decreasing clouds around 38 degrees and parly sunny skies just under freezing. Thursday night is forecast to be in the mid 20s and Friday night in the low 30s.

The detailed forecast for St. Lawrence County:

Tuesday night - A slight chance of rain showers before 4am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. North wind 5 to 8 mph. Chance of precipitation is 20%.

Wednesday - A chance of snow showers before 11am, then a chance of rain and snow showers between 11am and 1pm, then a chance of rain showers after 1pm. Cloudy, with a high near 44. Northwest wind around 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday night - A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and midnight. Cloudy, with a low around 29. Northwest wind around 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday - Cloudy, then gradually becoming mostly sunny, with a high near 38. Northwest wind 8 to 10 mph.

Thursday night - Partly cloudy, with a low around 26. West wind 5 to 7 mph.

Friday - Mostly sunny, with a high near 43. West wind 3 to 5 mph.

Friday night - Mostly cloudy, with a low around 31. East wind 3 to 6 mph.

Saturday - A 30 percent chance of showers after 2pm. Partly sunny, with a high near 44. East wind 7 to 10 mph.

Saturday night - A chance of rain and snow showers before 1am, then a chance of snow showers between 1am and 3am, then a chance of rain and snow showers after 3am. Mostly cloudy, with a low around 33. East wind 9 to 13 mph. Chance of precipitation is 50%.

Sunday - Showers likely. Cloudy, with a high near 44. Northeast wind 6 to 13 mph. Chance of precipitation is 60%.

Sunday night - A 40 percent chance of showers. Cloudy, with a low around 37. Light and variable wind becoming southwest 5 to 7 mph in the evening.

Monday - A 50 percent chance of showers. Cloudy, with a high near 46. Southwest wind around 7 mph.

Monday night - Mostly cloudy, with a low around 33. West wind around 6 mph.

Tuesday - Mostly cloudy, with a high near 44. West wind around 8 mph.