National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Current Conditions

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4 Miles SW Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 42 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 56 °F

Saturday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 32 °F

Sunday

Snow Chance for Measurable Precipitation 100%

Snow

High: 39 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 29 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 42 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Tuesday

Slight Chance Rain/Snow

Slight Chc
Rain/Snow

High: 47 °F

Tuesday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 39 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 42. Light southwest wind.
  • Saturday A 30 percent chance of showers after noon. Mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph.
  • Saturday Night Rain before midnight, then rain and snow. Low around 32. North northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Sunday Snow. High near 39. West northwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Sunday Night A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 29. Calm wind. New snow accumulation of less than a half inch possible.
  • Monday Mostly sunny, with a high near 42.
  • Monday Night Partly cloudy, with a low around 32.
  • Tuesday A slight chance of rain and snow showers. Partly sunny, with a high near 47.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 39.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 53.
  • Wednesday Night A slight chance of showers. Mostly cloudy, with a low around 40.
  • Thursday A slight chance of showers. Partly sunny, with a high near 55.
  • Thursday Night A slight chance of showers. Mostly cloudy, with a low around 39.
  • Friday A slight chance of showers. Partly sunny, with a high near 52.