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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16 Miles SSE Big Sky MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 47 °F

Tonight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 30 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 43 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 49 °F

Thursday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 35 °F

Friday

Partly Sunny

Partly
Sunny

High: 49 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 33 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 51 °F

Detailed Forecast

  • Today A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 47. South wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight A 50 percent chance of snow showers. Mostly cloudy, with a low around 30. South southwest wind 5 to 8 mph. New snow accumulation of less than a half inch possible.
  • Wednesday Mostly sunny, with a high near 43. South wind 6 to 11 mph.
  • Wednesday Night Partly cloudy, with a low around 30. South wind around 10 mph.
  • Thursday Mostly sunny, with a high near 49. South wind 10 to 16 mph, with gusts as high as 23 mph.
  • Thursday Night A 20 percent chance of showers. Mostly cloudy, with a low around 35.
  • Friday Partly sunny, with a high near 49.
  • Friday Night Mostly clear, with a low around 33.
  • Saturday Mostly sunny, with a high near 51.
  • Saturday Night A chance of showers. Partly cloudy, with a low around 29.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 42.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 26.
  • Monday A slight chance of snow showers. Partly sunny, with a high near 42.