Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

54°F

12°C

Humidity 62%
Wind Speed W 19 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 07 Dec 12:55 PM PST
Extended Forecast for

8 Miles NNW Mount Bachelor OR

  • This Afternoon

    This Afternoon: Snow, possibly mixed with rain.  Snow level 7000 feet. High near 34. West wind around 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow.  Snow level 6800 feet. Low around 32. West wind 16 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 4pm.  High near 36. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 49 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Rain before 7pm, then rain, possibly mixed with snow between 7pm and 4am, then rain after 4am.  Low around 34. Windy, with a southwest wind 33 to 36 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: Rain before 7am, then rain, possibly mixed with snow between 7am and 10am, then rain after 10am.  High near 40. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Windy then
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Windy.  Chance of precipitation is 100%.

    Low: 38 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain.  High near 40. Breezy.  Chance of precipitation is 90%.

    High: 40 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 37. Breezy.  Chance of precipitation is 80%.

    Low: 37 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain likely, mainly before 10am.  Partly sunny, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain Likely

Detailed Forecast

This Afternoon
Snow, possibly mixed with rain. Snow level 7000 feet. High near 34. West wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Rain and snow. Snow level 6800 feet. Low around 32. West wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 36. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Rain before 7pm, then rain, possibly mixed with snow between 7pm and 4am, then rain after 4am. Low around 34. Windy, with a southwest wind 33 to 36 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain before 7am, then rain, possibly mixed with snow between 7am and 10am, then rain after 10am. High near 40. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 38. Windy. Chance of precipitation is 100%.
Wednesday
Rain. High near 40. Breezy. Chance of precipitation is 90%.
Wednesday Night
Rain. Low around 37. Breezy. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Thursday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 32.
Saturday
A slight chance of rain and snow. Snow level 6900 feet. Mostly sunny, with a high near 44.
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)
1:30 pm PST Dec 7, 2025
2pm PST Dec 7, 2025-6pm PST Dec 13, 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