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

50°F

10°C

Humidity 61%
Wind Speed SSW 10 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 07 Dec 07:55 PM PST
Extended Forecast for

3 Miles S Sisters OR

  • Tonight

    Tonight: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 37. South wind 3 to 7 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: Rain.  High near 53. Southwest wind 6 to 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 42. Southwest wind around 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 54. Southwest wind 7 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 46. West wind around 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain.  Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. South wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 53. Southwest wind 6 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 42. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 54. Southwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 46. West wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 55. Chance of precipitation is 80%.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 34.
Saturday
A slight chance of rain. Mostly sunny, with a high near 58.
Saturday Night
A chance of rain. Partly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Sisters OR
 44.25°N 121.53°W (Elev. 3399 ft)
3:20 pm PST Dec 7, 2025
8pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database