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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4 Miles W Des Moines WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Overnight

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 33 °F

Saturday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 35 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 25 °F

Sunday

Sunny

Sunny

High: 36 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 28 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 33 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 43 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Detailed Forecast

  • Overnight Rain and snow likely. Mostly cloudy, with a low around 33. Southwest wind around 13 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
  • Saturday Snow showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 35. North wind 11 to 17 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Saturday Night Mostly clear, with a low around 25. Northeast wind 6 to 10 mph.
  • Sunday Sunny, with a high near 36. Northeast wind 8 to 11 mph.
  • Sunday Night Partly cloudy, with a low around 28. Northeast wind 5 to 7 mph.
  • Monday Mostly sunny, with a high near 39.
  • Monday Night Partly cloudy, with a low around 33.
  • Tuesday Mostly sunny, with a high near 43.
  • Tuesday Night Mostly cloudy, with a low around 36.
  • Wednesday A slight chance of rain. Mostly cloudy, with a high near 44.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 38.
  • Thursday A chance of rain. Mostly cloudy, with a high near 41.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 37.
  • Friday A chance of rain. Mostly cloudy, with a high near 41.