The National Weather Service predicts a rainy weekend and early week in St. Lawrence County.

After a mostly cloudy and cold Friday night in the high 30s, Saturday brings 60 percent chances of rain during the day and 80 percent at night with highs in the mid 60s and lows in the low 50s.

Sunday brings a 30 percent chance of showers then mostly cloudy with highs in the high 50s and lows in the mid 40s.

Monday is forecast to be mostly cloudy in the low 60s during the day and brings a 50 percent chance of nighttime showers with temperatures dropping to the mid 50s.

Tuesday is predicted to be rainy during the day and night, NWS said.

The detailed forecast:

Friday night - 

Mostly cloudy, with a low around 39. Northeast wind 5 to 8 mph becoming calm after midnight.

Saturday - A chance of showers between 9am and 4pm, then rain likely after 4pm. Cloudy, with a high near 65. East wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday night - Rain, mainly before 2am, then a chance of showers after 2am. Low around 51. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday - A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 59. North wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday night - Partly cloudy, with a low around 45. Northeast wind around 6 mph.

Columbus Day - Mostly cloudy, with a high near 63. Northeast wind 3 to 5 mph.

Monday night - A 50 percent chance of showers. Mostly cloudy, with a low around 56. Southeast wind around 6 mph becoming south after midnight.

Tuesday - A 40 percent chance of showers. Mostly cloudy, with a high near 73. Southwest wind 7 to 9 mph.

Tuesday night - A 40 percent chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 8 mph.

Wednesday - A 30 percent chance of showers. Mostly cloudy, with a high near 73. Southwest wind around 7 mph.

Wednesday night - A 50 percent chance of showers. Mostly cloudy, with a low around 59. South wind 6 to 8 mph.

Thursday - Showers likely. Mostly cloudy, with a high near 68. South wind around 9 mph. Chance of precipitation is 60%.

Thursday night - Showers likely. Mostly cloudy, with a low around 49. West wind around 9 mph. Chance of precipitation is 60%.

Friday - Partly sunny, with a high near 59. West wind around 9 mph.