National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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6 Miles ESE Cottage Grove OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Showers Chance for Measurable Precipitation 90%

Showers

Low: 44 °F

Saturday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 40 °FFalling Temperatures

Saturday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 25 °F

Sunday

Increasing Clouds

Increasing
Clouds

High: 46 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 35 °F

Monday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 44 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 36 °F

Tuesday

Chance Showers

Chance
Showers

High: 47 °F

Tuesday
Night

Chance Showers

Chance
Showers

Low: 34 °F

Detailed Forecast

  • Overnight Showers. Steady temperature around 44. Northwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Rain showers likely before 10am, then a chance of rain and snow showers. Partly sunny, with a temperature falling to around 35 by 5pm. North wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Saturday Night A slight chance of rain and snow showers before 10pm. Mostly clear, with a low around 25. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 20%.
  • Sunday Increasing clouds, with a high near 46. East wind around 6 mph.
  • Sunday Night A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35. East southeast wind 3 to 6 mph.
  • Monday Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
  • Monday Night A 50 percent chance of rain. Mostly cloudy, with a low around 36.
  • Tuesday A chance of showers. Mostly cloudy, with a high near 47.
  • Tuesday Night A chance of showers. Mostly cloudy, with a low around 34.
  • Wednesday A chance of showers. Cloudy, with a high near 48.
  • Wednesday Night A chance of rain. Cloudy, with a low around 35.
  • Thursday A chance of rain. Cloudy, with a high near 50.
  • Thursday Night A chance of rain. Cloudy, with a low around 36.
  • Friday A chance of rain. Cloudy, with a high near 49.