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 Pacific Northwest through late 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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Hazardous Weather Conditions

Current Conditions

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13 Miles E Mattawa WA

7 Day Forecast

For More Weather Information:

Spokane, WA Local Forecast Office

This
Afternoon

Mostly Cloudy

Mostly
Cloudy

High: 53 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 46 °F

Monday
Night

Patchy Fog

Patchy
Fog

Low: 33 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 44 °F

Tuesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 35 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 40 °F

Wednesday
Night

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: 31 °F

Christmas
Day

Mostly Sunny

Mostly
Sunny

High: 37 °F

Detailed Forecast

  • This Afternoon Mostly cloudy, with a high near 53. West wind around 20 mph, with gusts as high as 30 mph.
  • Tonight Partly cloudy, with a low around 36. West wind 6 to 10 mph.
  • Monday Mostly sunny, with a high near 46. West wind 5 to 7 mph.
  • Monday Night Patchy fog. Otherwise, mostly cloudy, with a low around 33. Light and variable wind.
  • Tuesday Partly sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the morning.
  • Tuesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 35.
  • Wednesday A chance of rain. Cloudy, with a high near 40. Chance of precipitation is 50%.
  • Wednesday Night A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
  • Christmas Day Mostly sunny, with a high near 37.
  • Thursday Night Mostly clear, with a low around 26.
  • Friday Partly sunny, with a high near 36.
  • Friday Night Mostly cloudy, with a low around 29.
  • Saturday Partly sunny, with a high near 38.