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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Great Falls International Airport MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Mostly Clear

Mostly
Clear

Low: 48 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 59 °F

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 38 °F

Wednesday

Sunny

Sunny

High: 60 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 42 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 65 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 43 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 61 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 48. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
  • Tuesday Showers likely, mainly after noon. Mostly cloudy, with a high near 59. Southwest wind 9 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
  • Tuesday Night A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Southwest wind 15 to 20 mph, with gusts as high as 28 mph.
  • Wednesday Sunny, with a high near 60. South southwest wind 15 to 20 mph, with gusts as high as 28 mph.
  • Wednesday Night Partly cloudy, with a low around 42. South southwest wind around 14 mph, with gusts as high as 20 mph.
  • Thursday Mostly sunny, with a high near 65.
  • Thursday Night Partly cloudy, with a low around 43.
  • Friday Mostly sunny, with a high near 61.
  • Friday Night Partly cloudy, with a low around 40.
  • Saturday Mostly sunny, with a high near 65.
  • Saturday Night Partly cloudy, with a low around 39.
  • Sunday Partly sunny, with a high near 55.
  • Sunday Night Partly cloudy, with a low around 35.
  • Monday Mostly sunny, with a high near 55.