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

Areas of Excessive Rainfall from Southwest U.S. Monsoons; Monitoring Tropical Cyclone Formation Which Could Impact the Southeast U.S.

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding today into Sunday. Tropical wave (AL94) is likely to become a depression by late Friday or over this weekend in the vicinity of the Bahamas. Significant uncertainty remains in the track and intensity, but chances for impacts to the southeast U.S. coast are increasing. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

69°F

21°C

Humidity 17%
Wind Speed NW 8 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 25 Sep 06:06 PM PDT
Extended Forecast for

Winthrop WA

Red Flag Warning September 25, 06:22pm until September 25, 11:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning September 25, 06:22pm until September 25, 11:00pm

    NOW until 11:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 38 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 72. North wind 6 to 9 mph becoming south in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. South wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind 13 to 16 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 72. North wind 6 to 9 mph becoming south in the afternoon.
Friday Night
Increasing clouds, with a low around 43. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. South wind 5 to 7 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 78.
Sunday Night
A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 47.
Monday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 65.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of showers. 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:
4:16 pm PDT Sep 25, 2025
Forecast Valid:
6pm PDT Sep 25, 2025-6pm PDT Oct 2, 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