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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8 Miles SE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 40 °F

Sunday

Rain Chance for Measurable Precipitation 90%

Rain

High: 46 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 36 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 41 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 42 °F

Tuesday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 29 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 43 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 23 °F

Detailed Forecast

  • Overnight Rain. Low around 40. South wind around 13 mph. Chance of precipitation is 80%.
  • Sunday Rain. High near 46. West northwest wind 11 to 15 mph. Chance of precipitation is 90%.
  • Sunday Night Rain likely before 10pm, then rain and snow likely. Cloudy, with a low around 36. Northwest wind 7 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Monday A chance of rain and snow, mainly before 10am. Partly sunny, with a high near 41. Northwest wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
  • Monday Night Partly cloudy, with a low around 23. Light west southwest wind.
  • Tuesday Mostly sunny, with a high near 42.
  • Tuesday Night A 20 percent chance of showers. Mostly cloudy, with a low around 29.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
  • Wednesday Night Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
  • Christmas Day A 20 percent chance of snow. Partly sunny, with a high near 30.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 13.
  • Friday Partly sunny, with a high near 29.
  • Friday Night A 20 percent chance of snow. Mostly cloudy, with a low around 17.
  • Saturday A 20 percent chance of snow showers. Partly sunny, with a high near 30.