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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

25°F

-4°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 19°F (-7°C)
Visibility NA
Last update 27 Jan 12:55 AM PST
Extended Forecast for

Sisters OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before 4am, then a chance of rain and snow.  Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then a chance of rain.  Snow level 3800 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind.  Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 31. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 32.

    Low: 32 °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 32.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Calm wind.
Tuesday
Mostly cloudy, with a high near 42. Calm wind.
Tuesday Night
A chance of rain before 4am, then a chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Snow level 3800 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 40%.
Wednesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 32.
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 32.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 31.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 30.
Monday
A slight chance of rain. Partly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
1:30 am PST Jan 27, 2026
2am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database