National Weather Service United States Department of Commerce

Stormy weather expected for the Pacific Northwest and Intermountain West

An impressive frontal system will continue moving through the Pacific Northwest and the Intermountain West and slowly make its way south. Behind it very cold Arctic air will follow. Higher elevation snow and moderate rainfall can be expected throughout these regions along with strong winds.
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Current Conditions

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8 Miles ENE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Overnight

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 34 °F

Friday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 41 °F

Friday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 28 °F

Saturday

Snow Chance for Measurable Precipitation 90%

Snow

High: 28 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 10 °F

Sunday

Partly Sunny

Partly
Sunny

High: 24 °F

Sunday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 15 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 29 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 18 °F

Detailed Forecast

  • Overnight Rain likely, possibly mixed with snow. Cloudy, with a low around 34. West southwest wind around 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
  • Friday Snow likely before 4pm, then rain and snow. High near 41. Breezy, with a west southwest wind 17 to 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Friday Night Rain and snow, becoming all snow after 10pm. Low around 28. Breezy, with a west southwest wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Saturday Snow. High near 28. West northwest wind around 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
  • Saturday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 10. Northwest wind 8 to 13 mph becoming light in the evening. New snow accumulation of less than one inch possible.
  • Sunday Partly sunny, with a high near 24.
  • Sunday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 15.
  • Monday A 20 percent chance of snow showers. Mostly cloudy, with a high near 29.
  • Monday Night A 30 percent chance of snow showers. Mostly cloudy, with a low around 18.
  • Tuesday A 30 percent chance of snow showers. Mostly cloudy, with a high near 33.
  • Tuesday Night A 30 percent chance of snow showers. Cloudy, with a low around 24.
  • Wednesday A 40 percent chance of snow showers. Cloudy, with a high near 35.
  • Wednesday Night A 30 percent chance of snow. Cloudy, with a low around 23.
  • Thursday A 30 percent chance of snow showers. Cloudy, with a high near 34.