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

54°F

12°C

Humidity 71%
Wind Speed ENE 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 09 Dec 04:55 AM PST
Extended Forecast for

11 Miles NNE Mount Bachelor OR

  • Overnight

    Overnight: Rain. Low around 40. West wind around 21 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 46. West wind 14 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly between 10pm and 1am. Mostly cloudy, with a low around 43. West wind around 18 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 47. Southwest wind around 16 mph, with gusts as high as 37 mph.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Partly cloudy, with a low around 39. Southwest wind around 11 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 40. West wind around 21 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 46. West wind 14 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain likely, mainly between 10pm and 1am. Mostly cloudy, with a low around 43. West wind around 18 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 47. Southwest wind around 16 mph, with gusts as high as 37 mph.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 39. Southwest wind around 11 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
A chance of rain and snow. Snow level 6400 feet. Partly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Snow level 6100 feet. Mostly cloudy, with a low around 38.
Monday
Rain and snow likely. Snow level 6600 feet rising to 7300 feet in the afternoon. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Mount Bachelor OR
 44.13°N 121.62°W (Elev. 5997 ft)
Last Update:
4:55 am PST Dec 9, 2025
Forecast Valid:
5am 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