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

50°F

10°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 07 Dec 08:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • Tonight

    Tonight: Snow likely before 4am, then rain likely, possibly mixed with snow.  Cloudy, with a low around 33. West wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 10am.  Snow level 8000 feet. High near 36. Southwest wind 13 to 17 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 36 °F

    Rain/Snow
    then Rain

  • Monday Night

    Monday Night: Rain.  Snow level 7900 feet. Low around 36. Breezy, with a west wind around 25 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 10am.  High near 41. Breezy, with a west wind 14 to 23 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow and
    Breezy then
    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain.  High near 40. Chance of precipitation is 90%.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Snow level 8100 feet. Partly sunny, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Snow level 8000 feet. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Snow likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 33. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 10am. Snow level 8000 feet. High near 36. Southwest wind 13 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Rain. Snow level 7900 feet. Low around 36. Breezy, with a west wind around 25 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 10am. High near 41. Breezy, with a west wind 14 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 38. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 40. Chance of precipitation is 90%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 10am. Snow level 8100 feet. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of rain before 10pm. Snow level 8000 feet. Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 33.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.98°N 121.71°W (Elev. 7064 ft)
9:15 pm PST Dec 7, 2025
9pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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