Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 11 Dec 09:55 AM PST
Extended Forecast for

6 Miles W Mount Bachelor OR

  • Today

    Today: Mostly sunny, with a high near 47. Light west wind.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Light northeast wind.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Friday Night

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

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55. Southwest wind 3 to 5 mph.

    High: 55 °F

    Sunny

  • Saturday Night

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

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly between 10am and 4pm.  Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain.  High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 47. Light west wind.
Tonight
Partly cloudy, with a low around 35. Light northeast wind.
Friday
Mostly sunny, with a high near 52. Light and variable wind.
Friday Night
Partly cloudy, with a low around 36. Light southwest wind.
Saturday
Sunny, with a high near 55. Southwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A 30 percent chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 47.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Monday
Rain. High near 46. Chance of precipitation is 90%.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain, possibly mixed with snow. Snow level 6100 feet. Mostly cloudy, with a high near 40.
Tuesday Night
Rain and snow. The snow could be heavy at times. Mostly cloudy, with a low around 30.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Mount Bachelor OR
 43.99°N 121.8°W (Elev. 5095 ft)
9:15 am PST Dec 11, 2025
11am PST Dec 11, 2025-6pm PST Dec 17, 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