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Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

7-Day Forecast for Latitude 44.29°N and Longitude 121.55°W (Elev. 3199 ft) (Text-Only)
NWS Forecast for: Sisters OR
Issued by: National Weather Service Pendleton, OR
Last Update: 3:06 pm PST Feb 23, 2018
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  • This
    Afternoon

    This Afternoon: A 30 percent chance of snow.  Mostly cloudy, with a high near 30. West wind around 11 mph.

    Chance Snow


    High: 30 °F

  • Tonight

    Tonight: Snow, mainly after 4am.  Temperature falling to near 23 by 8pm, then rising to around 31 during the remainder of the night. Southwest wind 7 to 11 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Chance Snow
    then Snow

    Low: 23 °F

  • Saturday

    Saturday: Snow before 10am, then snow showers likely, mainly between 10am and 4pm.  High near 35. West wind 18 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Snow


    High: 35 °F

  • Saturday
    Night

    Saturday Night: A chance of snow showers before 10pm, then snow, mainly after 4am.  Low around 27. Southwest wind 16 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers then
    Snow

    Low: 27 °F

  • Sunday

    Sunday: Snow.  High near 36. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Snow and
    Breezy

    High: 36 °F

  • Sunday
    Night

    Sunday Night: Snow showers.  Cloudy, with a low around 21.

    Snow Showers


    Low: 21 °F

  • Monday

    Monday: A chance of snow showers.  Partly sunny, with a high near 33.

    Chance Snow
    Showers

    High: 33 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 17.

    Partly Cloudy


    Low: 17 °F

  • Tuesday

    Tuesday: A chance of snow.  Mostly cloudy, with a high near 34.

    Chance Snow


    High: 34 °F



  • This Afternoon: A 30 percent chance of snow. Mostly cloudy, with a high near 30. West wind around 11 mph.

    Tonight: Snow, mainly after 4am. Temperature falling to near 23 by 8pm, then rising to around 31 during the remainder of the night. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Saturday: Snow before 10am, then snow showers likely, mainly between 10am and 4pm. High near 35. West wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Saturday Night: A chance of snow showers before 10pm, then snow, mainly after 4am. Low around 27. Southwest wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Sunday: Snow. High near 36. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Sunday Night: Snow showers. Cloudy, with a low around 21.

    Monday: A chance of snow showers. Partly sunny, with a high near 33.

    Monday Night: Partly cloudy, with a low around 17.

    Tuesday: A chance of snow. Mostly cloudy, with a high near 34.

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Wednesday: A chance of snow. Mostly cloudy, with a high near 37.

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 27.

    Thursday: A chance of snow. Cloudy, with a high near 38.

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Friday: A chance of snow. Mostly cloudy, with a high near 36.



    Sisters OR
     44.29°N 121.55°W (Elev. 3199 ft)

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