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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9 Miles E Marblemount WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Overnight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 19 °F

Saturday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 24 °FFalling Temperatures

Saturday
Night

Clear

Clear

Low: 8 °F

Sunday

Sunny

Sunny

High: 32 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 16 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 33 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 37 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 26 °F

Detailed Forecast

  • Overnight Snow likely, mainly after 4am. Cloudy, with a low around 19. North wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
  • Saturday Snow likely before 10am. Mostly cloudy through mid morning, then gradual clearing, with a temperature rising to near 24 by 10am, then falling to around 15 during the remainder of the day. Blustery, with an east northeast wind 20 to 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Saturday Night Clear, with a low around 8. East wind 11 to 16 mph decreasing to 5 to 10 mph after midnight.
  • Sunday Sunny, with a high near 32. East wind 10 to 15 mph.
  • Sunday Night Partly cloudy, with a low around 16. East wind 17 to 20 mph.
  • Monday Mostly sunny, with a high near 33.
  • Monday Night Partly cloudy, with a low around 23.
  • Tuesday Mostly sunny, with a high near 37.
  • Tuesday Night Partly cloudy, with a low around 26.
  • Wednesday A slight chance of rain. Mostly cloudy, with a high near 40.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 30.
  • Thursday A chance of rain. Mostly cloudy, with a high near 36.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 29.
  • Friday A chance of rain. Mostly cloudy, with a high near 36.