Temperatures will fall throughout the day with a chance of rain and snow before 1 p.m. in St. Lawrence County, according to the National Weather Service (NWS).

Gusty west to southwest winds will develop this morning and then taper off as the afternoon wears on, NWS says. Winds will be 15 to 20 mph with gusts in the mid 30s possible.

Tonight will be extremely cold, around 5 degrees, and wind chill values as low as -4, the service says. Overnight winds will be 8 to 11 mph.

Frigid temps will remain in the North Country Thursday with a high near 15 and wind chill values as low as -7. The low overnight will be 4 degrees with -10 wind chill values.

The forecast through early next week is as follows:

Thursday

A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 15. Wind chill values as low as -7. North wind 6 to 8 mph becoming northwest in the afternoon.

Thursday Night

Mostly cloudy, with a low around 4. Wind chill values as low as -10. Light southwest wind becoming west 5 to 10 mph after midnight.

Friday

Mostly sunny, with a high near 16. West wind 7 to 14 mph.

Friday Night

A 50 percent chance of snow showers after 8pm. Mostly cloudy, with a low around 9. Calm wind becoming east around 6 mph after midnight.

Saturday

Scattered snow showers. Mostly cloudy, with a high near 27. East wind around 6 mph. Chance of precipitation is 50%.

Saturday Night

Scattered snow showers before 8pm, then a chance of snow after 2am. Mostly cloudy, with a low around 20. Northeast wind 3 to 5 mph. Chance of precipitation is 50%.

Sunday

Snow and sleet likely before 1pm, then rain, snow, and sleet likely between 1pm and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 35. East wind around 6 mph. Chance of precipitation is 70%.

Sunday Night

Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then snow likely after 1am. Cloudy, with a low around 27. Southeast wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 70%.

Monday

Snow likely. Mostly cloudy, with a high near 33. West wind 9 to 14 mph. Chance of precipitation is 60%.

Monday Night

A 40 percent chance of snow showers. Mostly cloudy, with a low around 19. West wind 9 to 13 mph.

Tuesday

A 30 percent chance of snow showers. Partly sunny, with a high near 27. West wind around 10 mph.