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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Mercer Island WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 48 °FFalling Temperatures

Tonight

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 33 °F

Saturday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 35 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 23 °F

Sunday

Sunny

Sunny

High: 37 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 25 °F

Monday

Partly Sunny

Partly
Sunny

High: 38 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 31 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 43 °F

Detailed Forecast

  • Today Rain. The rain could be heavy at times. Temperature falling to around 43 by 5pm. Breezy, with a south southwest wind 17 to 22 mph becoming east 8 to 13 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Tonight Rain before 10pm, then rain, possibly mixed with snow. Low around 33. Southwest wind 10 to 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Saturday Snow showers likely, mainly before 10am. Mostly cloudy, with a high near 35. North wind 14 to 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Saturday Night Mostly clear, with a low around 23. Northeast wind 7 to 13 mph.
  • Sunday Sunny, with a high near 37. Northeast wind around 10 mph.
  • Sunday Night Partly cloudy, with a low around 25.
  • Monday Partly sunny, with a high near 38.
  • Monday Night Mostly cloudy, with a low around 31.
  • Tuesday Mostly sunny, with a high near 43.
  • Tuesday Night Mostly cloudy, with a low around 36.
  • Wednesday Partly sunny, with a high near 45.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 38.
  • Thursday A chance of rain. Mostly cloudy, with a high near 42.