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 58%
Wind Speed WSW 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 08 Dec 10:55 PM PST
Extended Forecast for

6 Miles SW Mount Bachelor OR

  • Tonight

    Tonight: Rain, mainly after 1am.  Low around 39. West wind around 14 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 45. West wind 11 to 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 43. West wind around 11 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 37. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 1am. Low around 39. West wind around 14 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 45. West wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. Low around 43. West wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. 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 37. West wind around 7 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A slight chance of rain after 4pm. Mostly sunny, with a high near 52.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Mount Bachelor OR
 43.91°N 121.78°W (Elev. 4816 ft)
10:35 pm PST Dec 8, 2025
11pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database