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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

SPRING CANYON (SPCW1)

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

NA

45°F

7°C

Humidity 87%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 07 Dec 04:37 PM PST
Extended Forecast for

Grand Coulee WA

Wind Advisory December 8, 07:00pm until December 9, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Southwest wind around 11 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, mainly after 10am. High near 50. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47. Southwest wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. Southwest wind around 11 mph.
Monday
Rain, mainly after 10am. High near 50. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47. Southwest wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 40. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Wednesday Night
A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 39.
Friday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 45.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.93°N 118.99°W (Elev. 2037 ft)
Last Update:
2:48 pm PST Dec 7, 2025
Forecast Valid:
4pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation