Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. 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: 4:15 pm PDT Mar 19, 2026
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  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light west wind.

    Low: 45 °F

    Partly Cloudy


  • Friday

    Friday: Partly sunny, with a high near 69. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 69 °F

    Partly Sunny


  • Friday
    Night

    Friday Night: A 40 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 39. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 39 °F

    Chance Rain


  • Saturday

    Saturday: A 40 percent chance of rain before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 52. Light west wind.

    High: 52 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 25 °F

    Mostly Clear


  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny


  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy


  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny


  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy




  • Tonight: Partly cloudy, with a low around 45. Light west wind.

    Friday: Partly sunny, with a high near 69. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph.

    Friday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Saturday: A 40 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 52. Light west wind.

    Saturday Night: Mostly clear, with a low around 25. Northwest wind around 6 mph becoming calm in the evening.

    Sunday: Mostly sunny, with a high near 58.

    Sunday Night: Mostly cloudy, with a low around 31.

    Monday: Partly sunny, with a high near 58.

    Monday Night: Mostly cloudy, with a low around 37.

    Tuesday: A chance of rain. Partly sunny, with a high near 59.

    Tuesday Night: A chance of rain and snow. Mostly cloudy, with a low around 32.

    Wednesday: A chance of rain and snow. Snow level 5200 feet lowering to 4100 feet in the afternoon . Partly sunny, with a high near 46.

    Wednesday Night: A slight chance of rain and snow. Mostly clear, with a low around 23.

    Thursday: Sunny, with a high near 54.



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

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