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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Lewistown MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 21 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 31 °F

Wednesday
Night

Wintry Mix Chance for Measurable Precipitation 50%

Wintry
Mix

Low: 27 °FRising Temperatures

Thanksgiving
Day

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 48 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Friday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 44 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 0 °F

Saturday

Chance Snow

Chance
Snow

High: 4 °F

Saturday
Night

Chance Snow

Chance
Snow

Low: -12 °F

Detailed Forecast

  • Tonight Snow. Low around 21. West northwest wind 6 to 9 mph becoming south southwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
  • Wednesday Snow. High near 31. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
  • Wednesday Night A chance of snow before 11pm, then a chance of snow and freezing rain. Mostly cloudy, with a temperature falling to near 27 by 8pm, then rising to around 36 during the remainder of the night. South southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Thanksgiving Day A 20 percent chance of rain before 11am. Partly sunny, with a high near 48. West southwest wind 11 to 16 mph, with gusts as high as 23 mph.
  • Thursday Night Partly cloudy, with a low around 30. West southwest wind 11 to 13 mph, with gusts as high as 18 mph.
  • Friday A slight chance of rain and snow showers. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
  • Friday Night A 40 percent chance of snow. Mostly cloudy, with a low around 0. New snow accumulation of 1 to 2 inches possible.
  • Saturday A chance of snow. Mostly cloudy and cold, with a high near 4.
  • Saturday Night A chance of snow. Mostly cloudy, with a low around -12.
  • Sunday A slight chance of snow. Mostly sunny and cold, with a high near 7.
  • Sunday Night Mostly cloudy, with a low around -1.
  • Monday A slight chance of snow. Partly sunny, with a high near 24.
  • Monday Night A slight chance of snow. Mostly cloudy, with a low around 12.
  • Tuesday A chance of snow. Partly sunny, with a high near 20.