National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

55°F

13°C

Humidity 71%
Wind Speed NA 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 09 Dec 12:55 PM PST
Extended Forecast for

Mount Bachelor OR

  • This Afternoon

    This Afternoon: Rain. High near 39. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 37. Breezy, with a west wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 37 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A chance of rain before 10am, then a slight chance of rain and snow. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 32. West wind around 18 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 10am. Snow level 7700 feet. Partly sunny, with a high near 42. West wind 8 to 15 mph.

    High: 42 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 39. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 1am. Low around 37. Breezy, with a west wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of rain before 10am, then a slight chance of rain and snow. Snow level 8300 feet lowering to 7700 feet in the afternoon . Mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 32. West wind around 18 mph, with gusts as high as 29 mph.
Thursday
A 20 percent chance of snow before 10am. Snow level 7700 feet. Partly sunny, with a high near 42. West wind 8 to 15 mph.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A slight chance of snow after 10pm. Partly cloudy, with a low around 30.
Sunday
A chance of snow. Partly sunny, with a high near 37.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 30.
Monday
Rain and snow. Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.99°N 121.68°W (Elev. 7638 ft)
Last Update:
1:30 pm PST Dec 9, 2025
Forecast Valid:
1pm PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation