National Weather Service United States Department of Commerce

Coastal low to bring gusty winds and periods of heavy rain to New England while moderate to heavy rain is expected to linger in the Pacific Northwest and northern California

A coastal low will slowly intensify before moving out of the New England area. Increasingly heavy rainfall will impact the region through Friday. In addition, winds will increase and seas will become rough as the storm gradually intensifies just off the coast. Out west, a cold front approaching the Pacific Northwest will bring moderate to heavy rain to Washington, Oregon and northern California.
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Current Conditions

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Big Arm MT

7 Day Forecast

For More Weather Information:

Missoula, MT Local Forecast Office

Tonight

Slight Chance Showers Chance for Measurable Precipitation 10%

Slight Chc
Showers

Low: 40 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 61 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 44 °F

Thursday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 57 °F

Thursday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 41 °F

Friday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 58 °F

Friday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 37 °F

Saturday

Chance Showers

Chance
Showers

High: 58 °F

Saturday
Night

Chance Showers

Chance
Showers

Low: 38 °F

Detailed Forecast

  • Tonight A 10 percent chance of showers before midnight. Partly cloudy, with a low around 40. South wind around 7 mph.
  • Wednesday Mostly sunny, with a high near 61. South southeast wind 5 to 14 mph, with gusts as high as 20 mph.
  • Wednesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 44. South southeast wind 6 to 10 mph.
  • Thursday Showers likely, mainly after noon. Mostly cloudy, with a high near 57. South wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
  • Thursday Night A 40 percent chance of showers. Mostly cloudy, with a low around 41. Southwest wind 9 to 14 mph becoming light south after midnight. Winds could gust as high as 20 mph.
  • Friday A 30 percent chance of showers. Mostly cloudy, with a high near 58.
  • Friday Night A 30 percent chance of showers. Partly cloudy, with a low around 37.
  • Saturday A chance of showers. Partly sunny, with a high near 58.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 38.
  • Sunday A chance of showers. Partly sunny, with a high near 52.
  • Sunday Night A slight chance of showers. Mostly cloudy, with a low around 32.
  • Monday A slight chance of showers. Partly sunny, with a high near 51.
  • Monday Night A slight chance of showers. Mostly cloudy, with a low around 31.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 55.