National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

39°F

4°C

Humidity 64%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 13 Mar 12:37 AM PDT
Extended Forecast for

Coulee Dam WA

Winter Weather Advisory March 13, 01:39am until March 13, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 13, 01:39am until March 13, 12:00pm

    NOW until 12:00pm Fri

    Winter Weather Advisory

  • Overnight

    Low: 35 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow likely before 2pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 2am, then a chance of rain and snow between 2am and 3am, then a chance of snow after 3am. Cloudy during the early evening, then gradual clearing, with a low around 31. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 48. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before 8pm, then a chance of rain and snow. Cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Rain and snow likely, mainly after 2am. Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Rain and snow likely before 2pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain before 2am, then a chance of rain and snow between 2am and 3am, then a chance of snow after 3am. Cloudy during the early evening, then gradual clearing, with a low around 31. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Sunny, with a high near 48. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 46.
Sunday Night
A chance of snow before 8pm, then a chance of rain and snow. Cloudy, with a low around 37. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 67.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 69.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coulee Dam WA
 47.95°N 118.96°W (Elev. 1647 ft)
Last Update:
12:13 am PDT Mar 13, 2026
Forecast Valid:
1am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation