Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

35°F

2°C

Humidity 100%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 08 Dec 11:06 AM PST
Extended Forecast for

3 Miles SSE Winthrop WA

  • This Afternoon

    This Afternoon: Rain.  High near 44. Northeast wind 5 to 8 mph becoming south.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Tonight

    Tonight: Rain before 1am, then a slight chance of rain after 4am.  Low around 31. West wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am.  Increasing clouds, with a high near 44. West wind around 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 31. Light west wind.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 31 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 44. West wind 3 to 8 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 likely.  Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 44. Northeast wind 5 to 8 mph becoming south. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 1am, then a slight chance of rain after 4am. Low around 31. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of rain, mainly after 10am. Increasing clouds, with a high near 44. West wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 31. Light west wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 44. West wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Winthrop WA
 48.42°N 120.14°W (Elev. 1706 ft)
9:23 am PST Dec 8, 2025
12pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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