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

Chief Joseph Dam (CJDW)

Lat: 47.99083°NLon: 119.63556°WElev: 996.0ft.

NA

41°F

5°C

Humidity 91%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 07 Dec 05:00 PM PST
Extended Forecast for

Pateros WA

  • Tonight

    Tonight: A 20 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 45. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Snow level 3000 feet rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 46. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 37. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.

    High: 47 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A 20 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph.
Monday
Rain, mainly after 7am. High near 45. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly after 4pm. Snow level 3000 feet rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 46. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 37. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pateros WA
 48.05°N 119.91°W (Elev. 902 ft)
Last Update:
2:48 pm PST Dec 7, 2025
Forecast Valid:
6pm 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