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

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 08 Dec 02:55 AM PST
Extended Forecast for

7 Miles NNW Mount Bachelor OR

  • Overnight

    Overnight: Rain and snow likely.  Snow level 6900 feet. Cloudy, with a low around 32. West wind around 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 10am.  High near 36. Breezy, with a west wind 23 to 26 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Breezy.
    Rain/Snow
    then Rain

  • Monday Night

    Monday Night: Rain, possibly mixed with snow.  Low around 34. Windy, with a west wind 34 to 37 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times.  High near 40. Windy, with a west wind 27 to 32 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Windy, with a west wind 28 to 31 mph, with gusts as high as 48 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 38 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain.  High near 40. Breezy.  Chance of precipitation is 80%.

    High: 40 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Mostly sunny, with a high near 42.

    High: 42 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain and snow likely. Snow level 6900 feet. Cloudy, with a low around 32. West wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 10am. High near 36. Breezy, with a west wind 23 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Rain, possibly mixed with snow. Low around 34. Windy, with a west wind 34 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times. High near 40. Windy, with a west wind 27 to 32 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 38. Windy, with a west wind 28 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain. High near 40. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Snow level 6900 feet. Mostly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 30.
Sunday
A chance of snow. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Mount Bachelor OR
 44.09°N 121.73°W (Elev. 6601 ft)
3:15 am PST Dec 8, 2025
3am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database