Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

57°F

14°C

Humidity 71%
Wind Speed S 20 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 09 Dec 10:55 PM PST
Extended Forecast for

6 Miles W Mount Bachelor OR

  • Overnight

    Overnight: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 41. West wind 8 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 47. West wind around 10 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 35. West wind around 7 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 48. Southwest wind around 6 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. West wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 47. West wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 35. West wind around 7 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 48. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 34. Light south wind.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 44.
Sunday Night
Rain likely. Mostly cloudy, with a low around 35.
Monday
Rain. Mostly cloudy, with a high near 44.
Monday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 34.
Tuesday
Rain likely, possibly mixed with snow. Snow level 5800 feet. Mostly cloudy, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Mount Bachelor OR
 43.99°N 121.8°W (Elev. 5095 ft)
10:45 pm PST Dec 9, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 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