Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

45°F

7°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Jan 04:55 PM PST
Extended Forecast for

8 Miles SW Sisters OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Mostly cloudy, with a steady temperature around 40. Calm wind.

    High: 40 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 7pm.  Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 1pm.  Snow level 5700 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 47. Light south wind.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 10 percent chance of rain before 7pm.  Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly between 10am and 4pm.  Snow level 5600 feet. Partly sunny, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a slight chance of rain and snow.  Snow level 5400 feet lowering to 4800 feet after midnight . Partly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before 10am.  Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a steady temperature around 40. Calm wind.
Tonight
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 34. Calm wind.
Friday
A 20 percent chance of rain after 1pm. Snow level 5700 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 47. Light south wind.
Friday Night
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 34. Calm wind.
Saturday
Partly sunny, with a high near 51. Calm wind.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 33.
Sunday
Rain likely, mainly between 10am and 4pm. Snow level 5600 feet. Partly sunny, with a high near 44. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 10pm, then a slight chance of rain and snow. Snow level 5400 feet lowering to 4800 feet after midnight . Partly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Sisters OR
 44.19°N 121.64°W (Elev. 4800 ft)
3:30 pm PST Jan 29, 2026
5pm PST Jan 29, 2026-6pm PST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database