National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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6 Miles W Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 43 °F

Tuesday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 43 °FFalling Temperatures

Tuesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 26 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 31 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 44 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 35 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 46 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 35 °F

Detailed Forecast

  • Overnight Partly cloudy, with a steady temperature around 43. South wind around 18 mph, with gusts as high as 25 mph.
  • Tuesday A chance of rain showers before noon, then rain and snow showers likely. Partly sunny, with a temperature falling to around 36 by 5pm. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Tuesday Night Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 26. Southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Wednesday Mostly sunny, with a high near 39. South southwest wind 16 to 18 mph, with gusts as high as 25 mph.
  • Wednesday Night Partly cloudy, with a low around 31. South southwest wind around 14 mph, with gusts as high as 20 mph.
  • Thursday Mostly sunny, with a high near 44.
  • Thursday Night Partly cloudy, with a low around 35.
  • Friday Mostly sunny, with a high near 46.
  • Friday Night Partly cloudy, with a low around 35.
  • Saturday Mostly sunny, with a high near 47.
  • Saturday Night A slight chance of showers. Mostly cloudy, with a low around 29.
  • Sunday A chance of snow showers. Partly sunny, with a high near 36.
  • Sunday Night A slight chance of snow showers. Partly cloudy, with a low around 25.
  • Monday A slight chance of snow showers. Mostly sunny, with a high near 37.