National Weather Service United States Department of Commerce

Active pattern for the Pacific Northwest this week while a coastal low takes aim on the Northeast later this week

Thunderstorms with heavy rainfall is forecast to bring 5 to 7 inches of rainfall, with localized heavier amounts, to the Pacific Northwest throughout the week. Across the higher mountain elevations, measurable snow is likely. The Northeast will also be the focus of showers and thunderstorms beginning mid-week as a coastal low meanders of the Mid-Atlantic coast.
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Current Conditions

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Chehalis WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Today

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 61 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 54 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 60 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 53 °F

Thursday

Showers Chance for Measurable Precipitation 80%

Showers

High: 59 °F

Thursday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 50 °F

Friday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 61 °F

Friday
Night

Rain Likely

Rain
Likely

Low: 51 °F

Saturday

Showers Likely

Showers
Likely

High: 61 °F

Detailed Forecast

  • Today A 50 percent chance of rain. Cloudy, with a high near 61. South wind 10 to 17 mph.
  • Tonight Rain. Low around 54. South wind 13 to 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Rain. The rain could be heavy at times. High near 60. Breezy, with a south wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Wednesday Night Rain. Low around 53. South wind 9 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Thursday Showers. High near 59. South wind around 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Thursday Night Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Friday A 50 percent chance of rain. Cloudy, with a high near 61.
  • Friday Night Rain likely. Cloudy, with a low around 51.
  • Saturday Showers likely. Mostly cloudy, with a high near 61.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 51.
  • Sunday A chance of showers. Mostly cloudy, with a high near 62.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 49.
  • Monday A chance of rain. Mostly cloudy, with a high near 61.