Signs of spring weather were replaced in St. Lawrence County today by breezy and much colder conditions that are expected to last through Wednesday.

Isolated showers will hit the North Country throughout the night, accompanied by wind gusts of up to 37 mph.

Temperatures in the 50s are possible Thursday, but aren’t expected to last through the weekend.

For up to date weather information visit www.NorthCountryNow.com/weather.

The National Service’s seven day forecast follows:

This Afternoon: Isolated showers. Cloudy, with a high near 43. Breezy, with a west wind around 22 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

Tonight: Cloudy, with a low around 25. Breezy, with a west wind 15 to 20 mph, with gusts as high as 36 mph.

Tuesday: Cloudy, with a high near 43. Breezy, with a west wind around 23 mph, with gusts as high as 33 mph.

Tuesday Night: Mostly cloudy, with a low around 21. West wind 14 to 18 mph, with gusts as high as 33 mph.

Wednesday: Partly sunny, with a high near 43. West wind 15 to 17 mph.

Wednesday Night: Mostly clear, with a low around 28. West wind 5 to 9 mph becoming light southwest after midnight.

Thursday: Sunny, with a high near 50. Southwest wind 9 to 16 mph, with gusts as high as 33 mph.

Thursday Night: Mostly cloudy, with a low around 33. Southwest wind 5 to 9 mph.

Friday: Mostly cloudy, with a high near 47. North wind 5 to 7 mph.

Friday Night: Mostly cloudy, with a low around 27. North wind 3 to 6 mph.

Saturday: Mostly sunny, with a high near 44. Northwest wind 5 to 10 mph.

Saturday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight.

Sunday: A chance of rain and snow showers. Mostly cloudy, with a high near 49. East wind 8 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.