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Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

38°F

3°C

Humidity 99%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 15 Dec 06:06 PM PST
Extended Forecast for

3 Miles SSW Winthrop WA

Flood Watch December 15, 07:08pm until December 17, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 15, 07:08pm until December 17, 10:00am

    NOW until 10:00am Wed

    Flood Watch

  • Tonight

    Low: 29 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain and snow before noon, then rain between noon and 1pm, then rain, possibly mixed with snow after 1pm. High near 40. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 4am, then rain, possibly mixed with snow. Low around 28. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Snow before 10am, then rain, possibly mixed with snow. High near 35. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 35 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow before 1am, then a chance of snow. Low around 21. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: A 50 percent chance of snow. Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 1am. Partly cloudy, with a low around 29. Northwest wind 12 to 17 mph becoming light north after midnight. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and snow before noon, then rain between noon and 1pm, then rain, possibly mixed with snow after 1pm. High near 40. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain before 4am, then rain, possibly mixed with snow. Low around 28. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 24. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Snow before 10am, then rain, possibly mixed with snow. High near 35. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Thursday Night
Rain, possibly mixed with snow before 1am, then a chance of snow. Low around 21. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 35.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Saturday
Snow likely, mainly after 10am. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 31.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Winthrop WA
 48.44°N 120.18°W (Elev. 1814 ft)
Last Update:
2:48 pm PST Dec 15, 2025
Forecast Valid:
7pm PST Dec 15, 2025-6pm PST Dec 22, 2025
 
Forecast Discussion
 
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Additional Resources

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