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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

41°F

5°C

Humidity 94%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 10 Dec 07:06 PM PST
Extended Forecast for

Winthrop WA

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 35. Northeast wind 8 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: A chance of rain before 10am, then a slight chance of rain after 4pm. Mostly sunny, with a high near 45. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain before 7am, then a chance of rain and snow between 7am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 44. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34. Light northwest wind.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

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

    Low: 31 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 35. Northeast wind 8 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of rain before 10am, then a slight chance of rain after 4pm. Mostly sunny, with a high near 45. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A slight chance of rain before 7am, then a chance of rain and snow between 7am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 44. Light west wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34. Light northwest wind.
Saturday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 44.
Saturday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 31.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Monday
Rain. High near 42. Chance of precipitation is 80%.
Monday Night
Rain. Low around 29. Chance of precipitation is 90%.
Tuesday
Rain. High near 41. Chance of precipitation is 80%.
Tuesday Night
Rain, possibly mixed with snow. Low around 28. Chance of precipitation is 80%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
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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:
5:37 pm PST Dec 10, 2025
Forecast Valid:
7pm PST Dec 10, 2025-6pm PST Dec 17, 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