National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

19°F

-7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Last update 31 Dec 12:55 AM PST
Extended Forecast for

6 Miles NW Sisters OR

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

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

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am, mixing with freezing rain after 4am. Increasing clouds, with a low around 25. Calm wind. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • New Year's Day

    New Year's Day: A chance of rain, snow, and freezing rain before 10am, then rain. High near 40. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Wintry Mix
    Likely then
    Rain

  • Thursday Night

    Thursday Night: Rain. Patchy fog. Low around 31. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A 40 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 48.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely. Partly sunny, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 22. Calm wind.
Wednesday
Partly sunny, with a high near 44. Calm wind.
Wednesday Night
A chance of rain after 1am, mixing with freezing rain after 4am. Increasing clouds, with a low around 25. Calm wind. Chance of precipitation is 30%.
New Year's Day
A chance of rain, snow, and freezing rain before 10am, then rain. High near 40. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain. Patchy fog. Low around 31. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain. Patchy fog before 10am. Otherwise, partly sunny, with a high near 48.
Friday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
Rain likely. Partly sunny, with a high near 45. Chance of precipitation is 70%.
Saturday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Sunday
Rain likely, possibly mixed with snow, becoming all rain after 4pm. Snow level 4300 feet. 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 27.
Monday
A chance of rain and snow. Snow level 4100 feet. Partly sunny, with a high near 43.
Monday Night
A chance of rain and snow. Snow level 4100 feet. Partly cloudy, with a low around 26.
Tuesday
A slight chance of rain and snow. Snow level 3700 feet rising to 4300 feet in the afternoon. Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Sisters OR
 44.34°N 121.65°W (Elev. 3422 ft)
Last Update:
1:07 am PST Dec 31, 2025
Forecast Valid:
1am PST Dec 31, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation