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

8 Miles NNW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly after 1am.  Steady temperature around 37. Windy, with a west wind around 37 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Windy. Chance
    Rain then
    Rain

  • Tuesday

    Tuesday: Rain, possibly mixed with snow. The rain could be heavy at times.  High near 40. Windy, with a west wind 21 to 31 mph, with gusts as high as 50 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. Breezy, with a west wind 26 to 29 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 39. Breezy, with a west wind 21 to 28 mph, with gusts as high as 44 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 35. West wind around 18 mph, with gusts as high as 30 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 40.

    High: 40 °F

    Chance Rain

  • Thursday Night

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

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

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

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 1am. Steady temperature around 37. Windy, with a west wind around 37 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain, possibly mixed with snow. The rain could be heavy at times. High near 40. Windy, with a west wind 21 to 31 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 26 to 29 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 39. Breezy, with a west wind 21 to 28 mph, with gusts as high as 44 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. Mostly cloudy, with a low around 35. West wind around 18 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of rain and snow after 4pm. Snow level 6800 feet. Mostly sunny, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Sunday
A chance of snow. Mostly cloudy, with a high near 34.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30.
Monday
Rain and snow. Mostly cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Mount Bachelor OR
 44.09°N 121.73°W (Elev. 6601 ft)
9:37 pm PST Dec 8, 2025
10pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database