Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

7-Day Forecast 44.63°N 121.61°W (Text-Only)
NWS Forecast for: 10 Miles ESE Mt Jefferson OR
Issued by: National Weather Service Pendleton, OR
Last Update: 9:15 pm PST Jan 18, 2026
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  • Tonight

    Tonight: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • M.L.King
    Day

    M.L.King Day: Sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday
    Night

    Thursday Night: A chance of rain and snow, mainly after 4am.  Snow level 4200 feet lowering to 3700 feet after midnight . Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Tonight: Mostly clear, with a low around 24. Calm wind.

    M.L.King Day: Sunny, with a high near 45. Light and variable wind.

    Monday Night: Mostly clear, with a low around 30. Calm wind becoming southwest around 5 mph after midnight.

    Tuesday: Sunny, with a high near 47. Light and variable wind.

    Tuesday Night: Partly cloudy, with a low around 26. Calm wind.

    Wednesday: Partly sunny, with a high near 44.

    Wednesday Night: Partly cloudy, with a low around 29.

    Thursday: Mostly sunny, with a high near 47.

    Thursday Night: A chance of rain and snow, mainly after 4am. Snow level 4200 feet lowering to 3700 feet after midnight . Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Friday: A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Snow level 3500 feet. Mostly sunny, with a high near 43.

    Friday Night: A chance of rain and snow. Snow level 3400 feet. Mostly cloudy, with a low around 29.

    Saturday: A chance of rain and snow. Partly sunny, with a high near 42.

    Saturday Night: A chance of rain and snow. Snow level 3500 feet. Mostly cloudy, with a low around 29.

    Sunday: A chance of rain and snow. Snow level 3400 feet rising to 4000 feet in the afternoon. Partly sunny, with a high near 43.



    10 Miles ESE Mt Jefferson OR
     44.63°N 121.61°W (Elev. 3396 ft)

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