Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest into Sunday. The tropical wave (AL94) continues to bring heavy rainfall to Puerto Rico and the US Virgin Islands. The close proximity of Tropical Storm Humberto and AL94 could lead to interaction between them, but details of their track and intensity forecasts remain uncertain Read More >

7-Day Forecast 44.33°N 121.59°W (Text-Only)
NWS Forecast for: 3 Miles NW Sisters OR
Issued by: National Weather Service Pendleton, OR
Last Update: 10:15 am PDT Sep 25, 2025
Print


  • This
    Afternoon

    This Afternoon: Sunny, with a high near 78. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 24 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers, mainly after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely.  Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • This Afternoon: Sunny, with a high near 78. West wind 6 to 10 mph, with gusts as high as 23 mph.

    Tonight: Partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 24 mph.

    Friday: Sunny, with a high near 73. Calm wind.

    Friday Night: Mostly clear, with a low around 41. Light and variable wind.

    Saturday: Sunny, with a high near 81. Light and variable wind.

    Saturday Night: Mostly clear, with a low around 44.

    Sunday: Mostly sunny, with a high near 79.

    Sunday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45.

    Monday: Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    Monday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 40.

    Tuesday: Showers likely. Mostly cloudy, with a high near 62.

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 37.

    Wednesday: A chance of showers. Partly sunny, with a high near 61.



    3 Miles NW Sisters OR
     44.33°N 121.59°W (Elev. 3251 ft)

    Visit your local NWS office at: https://www.weather.gov/pdt