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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

SISTERS (K6K5)

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

NA

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 21 Feb 07:55 AM PST
Extended Forecast for

Sisters OR

Winter Weather Advisory February 21, 08:18am until February 21, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 21, 08:18am until February 21, 10:00pm

    NOW until 10:00pm Sat

    Winter Weather Advisory

  • Today

    High: 42 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am, then a chance of rain and snow after 4am. Snow level 3400 feet. Cloudy during the early evening, then gradual clearing, with a low around 26. Light southeast wind. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 10am, then rain. Snow level 4000 feet rising to 5500 feet in the afternoon. High near 48. South wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain

  • Monday

    Monday: Rain. High near 50. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 35. Chance of precipitation is 100%.

    Low: 35 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 44. Chance of precipitation is 90%.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am, then a chance of snow. Snow level 4000 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a slight chance of rain after 4pm. Snow level rising to 4000 feet. Cloudy, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Tonight
A chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am, then a chance of rain and snow after 4am. Snow level 3400 feet. Cloudy during the early evening, then gradual clearing, with a low around 26. Light southeast wind. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 10am, then rain. Snow level 4000 feet rising to 5500 feet in the afternoon. High near 48. South wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 50. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 35. Chance of precipitation is 100%.
Tuesday
Rain. High near 44. Chance of precipitation is 90%.
Tuesday Night
A chance of rain and snow before 1am, then a chance of snow. Snow level 4000 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a slight chance of rain after 4pm. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain before 7pm, then a slight chance of rain and snow between 7pm and 10pm, then a slight chance of snow after 10pm. Snow level 3400 feet. Mostly clear, with a low around 23.
Thursday
A chance of rain and snow. Snow level rising to 4200 feet in the afternoon. Mostly sunny, with a high near 47.
Thursday Night
A chance of rain and snow. Snow level 4100 feet. Partly cloudy, with a low around 26.
Friday
A chance of rain and snow. Snow level 3500 feet rising to 4300 feet in the afternoon. 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:
5:51 am PST Feb 21, 2026
Forecast Valid:
8am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation