Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. 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: 9:17 pm PST Dec 29, 2025
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  • Overnight

    Overnight: Patchy freezing fog between 1am and 4am. Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy freezing fog between 7am and 10am. Sunny, with a high near 41. Calm wind.

    High: 41 °F

    Patchy
    Freezing Fog
    then Sunny

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear


  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Partly Sunny


  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Slight Chance
    Rain

  • New
    Year's
    Day

    New Year's Day: A 50 percent chance of rain.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday
    Night

    Thursday Night: Rain likely, mainly before 4am.  Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely


  • Friday

    Friday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely


  • Friday
    Night

    Friday Night: Rain likely before 10pm, then a chance of rain and snow.  Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely

  • Overnight: Patchy freezing fog between 1am and 4am. Partly cloudy, with a low around 17. Calm wind.

    Tuesday: Patchy freezing fog between 7am and 10am. Sunny, with a high near 41. Calm wind.

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Wednesday: Partly sunny, with a high near 44. Calm wind.

    Wednesday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 28. Calm wind.

    New Year's Day: A 50 percent chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 43.

    Thursday Night: Rain likely, mainly before 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Friday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    Friday Night: Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Saturday: Rain likely, possibly mixed with snow, mainly after 10am. Mostly cloudy, with a high near 43.

    Saturday Night: A chance of rain and snow. Snow level 4100 feet. Mostly cloudy, with a low around 28.

    Sunday: A chance of rain and snow. Snow level 3800 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 43.

    Sunday Night: A chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a low around 28.

    Monday: A chance of rain and snow. Snow level 4100 feet. Partly sunny, with a high near 44.



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

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