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

55°F

13°C

Humidity 71%
Wind Speed SSW 20 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Dec 04:55 PM PST
Extended Forecast for

8 Miles NNE Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain likely.  Mostly cloudy, with a high near 37. Windy, with a west wind around 30 mph, with gusts as high as 55 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Rain Likely
    and Windy

  • Tonight

    Tonight: Rain, mainly after 1am.  Temperature falling to near 35 by 11pm, then rising to around 39 during the remainder of the night. Very windy, with a west wind around 40 mph, with gusts as high as 70 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 35 °F

    Very Windy.
    Rain Likely
    then Rain

  • Tuesday

    Tuesday: Rain.  High near 40. Breezy, with a west wind 23 to 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 40 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 39. Windy, with a west wind 28 to 32 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 41. Breezy, with a west wind 23 to 29 mph, with gusts as high as 50 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 41.

    High: 41 °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 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely. Mostly cloudy, with a high near 37. Windy, with a west wind around 30 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 1am. Temperature falling to near 35 by 11pm, then rising to around 39 during the remainder of the night. Very windy, with a west wind around 40 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 40. Breezy, with a west wind 23 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Rain. Low around 39. Windy, with a west wind 28 to 32 mph, with gusts as high as 55 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 41. Breezy, with a west wind 23 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. 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 36.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 32.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 32.
Monday
Rain and snow likely. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Mount Bachelor OR
 44.1°N 121.65°W (Elev. 6867 ft)
3:20 pm PST Dec 8, 2025
5pm 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