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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

32°F

0°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 27 Jan 06:55 PM PST
Extended Forecast for

Sisters OR

  • Tonight

    Tonight: A chance of rain or freezing rain before 1am, then a slight chance of rain between 1am and 4am. Snow level 4200 feet. Cloudy, then gradually becoming partly cloudy, with a low around 24. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Chance
    Rain/Freezing
    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly between 7am and 1pm. Snow level 3900 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then freezing rain likely between 1am and 4am, then rain or freezing rain likely after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected.

    Low: 30 °F

    Rain Likely
    then
    Rain/Freezing
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly between 10am and 4pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
A chance of rain or freezing rain before 1am, then a slight chance of rain between 1am and 4am. Snow level 4200 feet. Cloudy, then gradually becoming partly cloudy, with a low around 24. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain, mainly between 7am and 1pm. Snow level 3900 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 44. Calm wind.
Wednesday Night
Rain likely before 1am, then freezing rain likely between 1am and 4am, then rain or freezing rain likely after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%.
Friday
A 30 percent chance of rain, mainly between 10am and 4pm. Mostly cloudy, with a high near 51.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 49.
Saturday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 29.
Sunday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 30.
Monday
A chance of rain. Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
Last Update:
3:20 pm PST Jan 27, 2026
Forecast Valid:
7pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation