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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Pasco WA

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

Overnight

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 49 °F

Sunday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 58 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 36 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 49 °F

Monday
Night

Patchy Fog

Patchy
Fog

Low: 33 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 47 °F

Tuesday
Night

Slight Chance Rain

Slight Chc
Rain

Low: 34 °F

Wednesday

Chance Rain

Chance
Rain

High: 45 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 32 °F

Detailed Forecast

  • Overnight A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 49. Windy, with a west wind around 34 mph, with gusts as high as 45 mph.
  • Sunday A 30 percent chance of rain. Mostly cloudy, with a high near 58. Windy, with a southwest wind 26 to 32 mph, with gusts as high as 43 mph.
  • Sunday Night Mostly cloudy, with a low around 36. Southwest wind 14 to 20 mph, with gusts as high as 30 mph.
  • Monday Mostly sunny, with a high near 49. Southwest wind around 8 mph.
  • Monday Night Patchy fog. Otherwise, partly cloudy, with a low around 33. Light south wind.
  • Tuesday Partly sunny, with a high near 47.
  • Tuesday Night A slight chance of rain. Mostly cloudy, with a low around 34.
  • Wednesday A chance of rain. Mostly cloudy, with a high near 45.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 32.
  • Christmas Day Mostly sunny, with a high near 41.
  • Thursday Night Mostly clear, with a low around 27.
  • Friday Partly sunny, with a high near 40.
  • Friday Night Mostly cloudy, with a low around 30.
  • Saturday Partly sunny, with a high near 37.