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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

59°F

15°C

Humidity 41%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 22 Sep 11:06 PM PDT
Extended Forecast for

Winthrop WA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. North wind 3 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 70 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers, mainly after 11pm. Low around 46. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 62. Chance of precipitation is 100%.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. North wind 3 to 7 mph.
Wednesday
Mostly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 40. Calm wind.
Thursday
Increasing clouds, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Showers, mainly after 11pm. Low around 46. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 11am. High near 62. Chance of precipitation is 100%.
Friday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop WA
 48.48°N 120.19°W (Elev. 1801 ft)
Last Update:
11:31 pm PDT Sep 22, 2026
Forecast Valid:
11pm PDT Sep 22, 2026-6pm PDT Sep 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation