National Weather Service United States Department of Commerce

Major nor'easter expected to bring heavy snow, blizzard conditions to Northeast

A storm system off the East Coast will continue to strengthen as it develops into a major nor'easter on Monday. As the storm moves up the coast, it is expected to bring snowfall of 1-3 feet or more to many parts of the Northeast through Tuesday evening, including New York City and Boston. Strong, gusty winds will combine with the snow to create blizzard conditions along and near the coast.
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Current Conditions

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Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 61 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 33 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 54 °F

Tuesday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 32 °F

Wednesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 46 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 28 °F

Thursday

Partly Sunny

Partly
Sunny

High: 44 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 41 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 61. West southwest wind 8 to 15 mph, with gusts as high as 21 mph.
  • Tonight Mostly clear, with a low around 33. West southwest wind 6 to 11 mph becoming light southwest after midnight.
  • Tuesday Mostly sunny, with a high near 54. Light southwest wind.
  • Tuesday Night A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 32. West southwest wind around 5 mph. Chance of precipitation is 20%.
  • Wednesday A 20 percent chance of snow before 11am. Mostly sunny, with a high near 46. West wind 6 to 8 mph.
  • Wednesday Night Partly cloudy, with a low around 28.
  • Thursday Partly sunny, with a high near 44.
  • Thursday Night Partly cloudy, with a low around 26.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Partly cloudy, with a low around 24.
  • Saturday A slight chance of snow showers. Partly sunny, with a high near 39.
  • Saturday Night Mostly cloudy, with a low around 24.
  • Sunday Partly sunny, with a high near 42.