Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

54°F

12°C

Humidity 66%
Wind Speed W 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 08 Dec 09:55 PM PST
Extended Forecast for

9 Miles NNE Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly after 1am.  Low around 37. Windy, with a west wind around 32 mph, with gusts as high as 65 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Windy. Chance
    Rain then
    Rain

  • Tuesday

    Tuesday: Rain.  High near 42. Breezy, with a west wind 18 to 23 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 42 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 41. Breezy, with a west wind 22 to 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: 41 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 43. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 46 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 39. Southwest wind around 16 mph, with gusts as high as 32 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 44.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 1am. Low around 37. Windy, with a west wind around 32 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 42. Breezy, with a west wind 18 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain. Low around 41. Breezy, with a west wind 22 to 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.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 43. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. Southwest wind around 16 mph, with gusts as high as 32 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of rain after 4pm. Snow level 6800 feet. Mostly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 33.
Sunday
A chance of snow. Partly sunny, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount Bachelor OR
 44.11°N 121.62°W (Elev. 6594 ft)
9:37 pm PST Dec 8, 2025
10pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database