Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

54°F

12°C

Humidity 62%
Wind Speed W 19 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 07 Dec 12:55 PM PST
Extended Forecast for

9 Miles NNE Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow.  Snow level 7100 feet. High near 38. West wind around 18 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain likely, possibly mixed with snow.  Snow level 6700 feet. Mostly cloudy, with a low around 34. Southwest wind 14 to 17 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain likely, possibly mixed with snow before 7am, then rain between 7am and 1pm, then rain, possibly mixed with snow after 1pm.  High near 39. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 46 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain, possibly mixed with snow, becoming all rain after 1am.  Low around 38. Windy, with a southwest wind around 31 mph, with gusts as high as 60 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: Rain before 7am, then rain, possibly mixed with snow between 7am and 10am, then rain after 10am.  High near 44. Breezy, with a west wind 16 to 25 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow and
    Breezy then
    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 41. Breezy.  Chance of precipitation is 100%.

    Low: 41 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain.  High near 44. Breezy.  Chance of precipitation is 80%.

    High: 44 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain, mainly before 4pm.  Partly sunny, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. Snow level 7100 feet. High near 38. West wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain likely, possibly mixed with snow. Snow level 6700 feet. Mostly cloudy, with a low around 34. Southwest wind 14 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Rain likely, possibly mixed with snow before 7am, then rain between 7am and 1pm, then rain, possibly mixed with snow after 1pm. High near 39. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Low around 38. Windy, with a southwest wind around 31 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain before 7am, then rain, possibly mixed with snow between 7am and 10am, then rain after 10am. High near 44. Breezy, with a west wind 16 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 41. Breezy. Chance of precipitation is 100%.
Wednesday
Rain. High near 44. Breezy. Chance of precipitation is 80%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 43.
Thursday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 35.
Saturday
A slight chance of rain and snow. Snow level 6900 feet. Sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount Bachelor OR
 44.11°N 121.62°W (Elev. 6594 ft)
1:30 pm PST Dec 7, 2025
2pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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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