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 Pacific Northwest through late 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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3 Miles WSW Pompeys Pillar MT

7 Day Forecast

For More Weather Information:

Billings, MT Local Forecast Office

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 31 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 40 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 23 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 38 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Wednesday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 40 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 26 °F

Christmas
Day

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 34 °F

Thursday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 13 °F

Detailed Forecast

  • Tonight Scattered rain showers before 11pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. West wind 33 to 38 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
  • Monday A chance of rain and snow showers. Mostly cloudy, with a high near 40. Northwest wind 23 to 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Monday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 23. West northwest wind 14 to 22 mph.
  • Tuesday Mostly sunny, with a high near 38. West southwest wind 13 to 15 mph.
  • Tuesday Night Mostly cloudy, with a low around 21. West southwest wind around 15 mph.
  • Wednesday A slight chance of rain and snow showers after 11am. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
  • Wednesday Night Snow likely. Cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of around 3 inches.
  • Christmas Day Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
  • Thursday Night A 20 percent chance of snow. Mostly cloudy, with a low around 13.
  • Friday Partly sunny, with a high near 30.
  • Friday Night Partly cloudy, with a low around 12.
  • Saturday Mostly sunny, with a high near 32.
  • Saturday Night A 20 percent chance of snow. Mostly cloudy, with a low around 12.
  • Sunday A 20 percent chance of snow. Partly sunny, with a high near 28.