National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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Lynden WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Overnight

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 45 °F

Sunday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 50 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 45 °F

Monday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 47 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 42 °F

Tuesday

Rain Chance for Measurable Precipitation 80%

Rain

High: 46 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 38 °F

Wednesday

Chance Showers

Chance
Showers

High: 43 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Detailed Forecast

  • Overnight Scattered showers. Mostly cloudy, with a low around 45. Southwest wind 10 to 15 mph increasing to 16 to 21 mph. Chance of precipitation is 50%.
  • Sunday Showers likely. Cloudy, with a high near 50. West southwest wind 14 to 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday Night A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 45. Southwest wind 7 to 14 mph.
  • Monday A 20 percent chance of showers. Mostly cloudy, with a high near 47. South wind around 5 mph.
  • Monday Night A 30 percent chance of rain. Cloudy, with a low around 42. Calm wind becoming northeast 5 to 9 mph in the evening.
  • Tuesday Rain. High near 46. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
  • Tuesday Night Rain. Low around 38. Chance of precipitation is 80%.
  • Wednesday A chance of showers. Cloudy, with a high near 43.
  • Wednesday Night Mostly cloudy, with a low around 36.
  • Christmas Day Mostly cloudy, with a high near 41.
  • Thursday Night Mostly cloudy, with a low around 33.
  • Friday Partly sunny, with a high near 40.
  • Friday Night A chance of rain. Mostly cloudy, with a low around 34. Breezy.
  • Saturday A chance of rain. Mostly cloudy, with a high near 42.