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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11 Miles NNE Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 34 °F

Wednesday

Sunny

Sunny

High: 57 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 35 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 61 °F

Thursday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 39 °F

Friday

Partly Sunny

Partly
Sunny

High: 58 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 64 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 37 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 34. Calm wind.
  • Wednesday Sunny, with a high near 57. Calm wind becoming south southeast around 6 mph in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 35. South southeast wind 3 to 6 mph.
  • Thursday Mostly sunny, with a high near 61. South wind 3 to 6 mph.
  • Thursday Night A 20 percent chance of showers. Mostly cloudy, with a low around 39. Light southwest wind.
  • Friday Partly sunny, with a high near 58.
  • Friday Night Partly cloudy, with a low around 36.
  • Saturday Mostly sunny, with a high near 64.
  • Saturday Night Partly cloudy, with a low around 37.
  • Sunday A slight chance of showers. Partly sunny, with a high near 53.
  • Sunday Night Mostly cloudy, with a low around 30.
  • Monday Partly sunny, with a high near 51.
  • Monday Night A slight chance of showers. Partly cloudy, with a low around 33.
  • Tuesday Mostly cloudy, with a high near 57.