National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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19 Miles WNW Augusta MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Overnight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 33 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 41 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 27 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 21 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 26 °F

Wednesday

Snow Likely

Snow
Likely

High: 34 °F

Wednesday
Night

Snow Likely

Snow
Likely

Low: 21 °F

Detailed Forecast

  • Overnight Snow. Low around 33. Breezy, with a west southwest wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
  • Sunday Rain before 11am, then rain and snow likely. High near 41. Breezy, with a west wind 22 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Sunday Night A 50 percent chance of snow. Mostly cloudy, with a low around 27. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. New snow accumulation of less than a half inch possible.
  • Monday A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
  • Monday Night A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 21. West wind 7 to 9 mph.
  • Tuesday A 20 percent chance of snow showers. Partly sunny, with a high near 34.
  • Tuesday Night A 40 percent chance of snow. Mostly cloudy, with a low around 26. New snow accumulation of less than one inch possible.
  • Wednesday Snow likely. Mostly cloudy, with a high near 34.
  • Wednesday Night Snow likely. Cloudy, with a low around 21.
  • Christmas Day Snow. Cloudy, with a high near 23.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 9.
  • Friday A chance of snow. Mostly cloudy, with a high near 20.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 12.
  • Saturday A chance of snow. Mostly cloudy, with a high near 23.