National Weather Service United States Department of Commerce

While moderate snow winds down in the Northeast, heavy rainfall will develop across the Northwest

Moderate snow will begin tapering of throughout Thanksgiving Day across New England as the responsible coast low moves off eastern Canada by Friday morning. A weakening front will move into the Pacific Northwest Thanksgiving morning and dissipate bringing light to moderate rain to the Northwest Coast and parts of Northern California and elevation snow through Friday morning.
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Current Conditions

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11 Miles NNE Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 38 °F

Thanksgiving
Day

Partly Sunny

Partly
Sunny

High: 48 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 31 °F

Friday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 46 °F

Friday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 12 °F

Saturday

Snow Chance for Measurable Precipitation 90%

Snow

High: 21 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: -9 °F

Sunday

Cold

Cold

High: 10 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 0 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a steady temperature around 38. Southeast wind around 6 mph.
  • Thanksgiving Day Partly sunny, with a high near 48. South southeast wind 6 to 8 mph becoming southwest in the morning.
  • Thursday Night Mostly cloudy, with a low around 31. South southwest wind 5 to 7 mph.
  • Friday A slight chance of rain after 11am. Mostly cloudy, with a high near 46. South southwest wind 5 to 8 mph. Chance of precipitation is 20%.
  • Friday Night Snow likely, mainly after 11pm. Mostly cloudy, with a low around 12. South southwest wind around 7 mph becoming north in the evening. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Saturday Snow. High near 21. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
  • Saturday Night A 50 percent chance of snow. Mostly cloudy, with a low around -9. New snow accumulation of 1 to 3 inches possible.
  • Sunday Mostly sunny and cold, with a high near 10.
  • Sunday Night Partly cloudy, with a low around 0.
  • Monday A slight chance of snow showers. Partly sunny, with a high near 25.
  • Monday Night A chance of snow showers. Mostly cloudy, with a low around 12.
  • Tuesday A chance of snow showers. Partly sunny, with a high near 26.
  • Tuesday Night Mostly cloudy, with a low around 8.
  • Wednesday Partly sunny, with a high near 28.