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 58%
Wind Speed WSW 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 08 Dec 10:55 PM PST
Extended Forecast for

7 Miles N Mount Bachelor OR

  • Tonight

    Tonight: A chance of rain before 1am, then rain, possibly mixed with snow.  Temperature rising to around 38 by 5am. Very windy, with a west wind around 44 mph, with gusts as high as 70 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow and
    Very Windy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow.  High near 39. Windy, with a west wind 31 to 36 mph decreasing to 25 to 30 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 37. Windy, with a west wind 30 to 34 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 39. Windy, with a west wind 26 to 32 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain Likely
    and Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Snow level 7900 feet. Mostly cloudy, with a low around 36. Breezy, with a west wind around 22 mph, with gusts as high as 36 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Snow level 8200 feet. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain before 1am, then rain, possibly mixed with snow. Temperature rising to around 38 by 5am. Very windy, with a west wind around 44 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow. High near 39. Windy, with a west wind 31 to 36 mph decreasing to 25 to 30 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 37. Windy, with a west wind 30 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 39. Windy, with a west wind 26 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain. Snow level 7900 feet. Mostly cloudy, with a low around 36. Breezy, with a west wind around 22 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 10am. Snow level 8200 feet. Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of snow after 4pm. Mostly sunny, with a high near 41.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 30.
Sunday
A chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 31.
Monday
Snow likely. Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Mount Bachelor OR
 44.1°N 121.68°W (Elev. 7283 ft)
10:35 pm PST Dec 8, 2025
11pm PST Dec 8, 2025-6pm PST Dec 15, 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