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 NA 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Dec 01:55 AM PST
Extended Forecast for

3 Miles NNE Mount Bachelor OR

  • Overnight

    Overnight: Rain likely.  Cloudy, with a steady temperature around 38. Breezy, with a west wind around 26 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.

    Low: 38 °F

    Rain Likely
    and Breezy

  • Tuesday

    Tuesday: Rain.  High near 41. Breezy, with a west wind 13 to 22 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 41 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 38. West wind around 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 42. Southwest wind 13 to 17 mph, with gusts as high as 33 mph.

    High: 42 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Snow level 7600 feet. Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Snow level 7800 feet. Mostly sunny, with a high near 42.

    High: 42 °F

    Slight 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 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

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

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely. Cloudy, with a steady temperature around 38. Breezy, with a west wind around 26 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.
Tuesday
Rain. High near 41. Breezy, with a west wind 13 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. West wind around 18 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 42. Southwest wind 13 to 17 mph, with gusts as high as 33 mph.
Wednesday Night
A 20 percent chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 33. Southwest wind around 11 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of rain. Snow level 7800 feet. Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Sunday
A chance of snow. Mostly cloudy, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 32.
Monday
Rain and snow. Snow level rising to 7400 feet in the afternoon. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Mount Bachelor OR
 44.01°N 121.65°W (Elev. 6867 ft)
3:15 am PST Dec 9, 2025
3am PST Dec 9, 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