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

Gallatin County

Zone Forecast

  • Tonight Partly cloudy. Lows 35 to 45. South winds up to 10 mph.
  • Tuesday Mostly cloudy. A slight chance of rain showers in the morning...then a chance of rain showers in the afternoon. Highs 55 to 65...45 to 55 in the mountains. South winds up to 10 mph... Increasing to southwest 10 to 20 mph with gusts to 30 mph in the afternoon. Chance of showers 50 percent.
  • Tuesday Night Rain and snow showers likely in the evening... Then a chance of rain and snow showers after midnight. Snow accumulation up to 1 inch. Snow level 7000 feet. Lows 30 to 35. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 70 percent.
  • Wednesday Partly cloudy. Highs 45 to 55. Southwest winds 5 to 15 mph with gusts to 30 mph.
  • Wednesday Night Partly cloudy. Lows 30 to 35. South winds 5 to 10 mph. Gusts up to 30 mph after midnight.
  • Thursday Through Friday Night Partly cloudy. Highs 50 to 60. Lows 30 to 45.
  • Saturday Partly cloudy. Highs 55 to 65.
  • Saturday Night Partly cloudy with a 20 percent chance of rain showers. Lows 30 to 40.
  • Sunday Partly cloudy with a 20 percent chance of rain and snow showers. Highs 45 to 55.
  • Sunday Night And Monday Partly cloudy with a 20 percent chance of snow showers. Lows 25 to 35. Highs 45 to 55.