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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10 Miles ESE 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 80%

Rain

High: 46 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 36 °F

Monday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 43 °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: 30 °F

Wednesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 44 °F

Wednesday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 24 °F

Detailed Forecast

  • Overnight Rain. Low around 40. North wind around 15 mph. Chance of precipitation is 80%.
  • Sunday Rain. High near 46. West northwest wind 11 to 15 mph. Chance of precipitation is 80%.
  • Sunday Night Rain likely before 10pm, then rain and snow likely. Cloudy, with a low around 36. Northwest wind 7 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Monday A slight chance of rain and snow. Partly sunny, with a high near 43. Northwest wind around 6 mph. Chance of precipitation is 20%.
  • Monday Night Partly cloudy, with a low around 23. Calm wind.
  • Tuesday Mostly sunny, with a high near 42.
  • Tuesday Night A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 30.
  • Wednesday Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
  • Wednesday Night Rain and snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
  • Christmas Day A 20 percent chance of snow. Partly sunny, with a high near 32.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 14.
  • Friday Partly sunny, with a high near 30.
  • Friday Night Mostly cloudy, with a low around 17.
  • Saturday A 20 percent chance of snow showers. Partly sunny, with a high near 30.