Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 08 Dec 05:55 AM PST
Extended Forecast for

3 Miles S Sisters OR

  • Today

    Today: Rain.  High near 54. Southwest wind 5 to 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain, mainly after 1am.  Low around 42. Southwest wind 13 to 16 mph, with gusts as high as 34 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 55. Southwest wind 7 to 10 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: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 46. Southwest wind around 11 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: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 56. Southwest wind 9 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. High near 54. Southwest wind 5 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 1am. Low around 42. Southwest wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 55. Southwest wind 7 to 10 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.
Tuesday Night
Rain. Low around 46. Southwest wind around 11 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.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 56. Southwest wind 9 to 13 mph, with gusts as high as 31 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, mainly before 10pm. Mostly cloudy, with a low around 41.
Thursday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
A chance of rain. Partly cloudy, with a low around 34.
Sunday
A slight 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)
6:26 am PST Dec 8, 2025
6am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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