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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

33°F

1°C

Humidity 90%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Dec 06:06 AM PST
Extended Forecast for

Winthrop WA

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 43. West wind 10 to 15 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all rain after 3am. Low around 30. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain. High near 44. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 34. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 44. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain and snow after 10am. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 43. West wind 10 to 15 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, possibly mixed with snow, becoming all rain after 3am. Low around 30. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain. High near 44. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 34. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 44. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 31.
Friday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 44.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain and snow after 10am. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 41.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Monday
Rain. High near 42. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop WA
 48.48°N 120.19°W (Elev. 1801 ft)
Last Update:
6:53 am PST Dec 9, 2025
Forecast Valid:
6am PST Dec 9, 2025-6pm PST Dec 15, 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