National Weather Service United States Department of Commerce

Nor'easter to impact East Coast Thanksgiving travel

An active weather pattern is shaping up across the eastern U.S. as a nor'easter continues to be forecast to move up the East Coast through early Thursday. This storm will bring precipitation up and down the coast, mostly in the form of rain along coastal areas, with snow expected farther inland. These conditions are expected to impact Thanksgiving travel conditions on Wednesday.
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Current Conditions

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St Mary MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 27 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 32 °F

Wednesday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 31 °FRising Temperatures

Thanksgiving
Day

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 41 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 28 °F

Friday

Snow Chance for Measurable Precipitation 80%

Snow

High: 30 °F

Friday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: -4 °F

Saturday

Chance Snow

Chance
Snow

High: 0 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: -8 °F

Detailed Forecast

  • Tonight Snow. Low around 27. Calm wind. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
  • Wednesday Snow. High near 32. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
  • Wednesday Night Snow likely before 11pm, then a chance of rain and snow. Cloudy, with a temperature rising to around 36 by 4am. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
  • Thanksgiving Day Rain likely, mainly after 11am. Partly sunny, with a high near 41. West southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
  • Thursday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. West southwest wind around 15 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
  • Friday Snow showers. High near 30. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
  • Friday Night Snow. Low around -4. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
  • Saturday A chance of snow. Partly sunny and cold, with a high near 0.
  • Saturday Night Partly cloudy, with a low around -8.
  • Sunday Mostly sunny, with a high near 11.
  • Sunday Night Mostly cloudy, with a low around 0.
  • Monday A chance of snow. Partly sunny, with a high near 19.
  • Monday Night Snow likely. Mostly cloudy, with a low around 12.
  • Tuesday A chance of snow. Partly sunny, with a high near 22.