Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

54°F

12°C

Humidity 66%
Wind Speed NA 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Dec 01:55 AM PST
Extended Forecast for

4 Miles WNW Sisters OR

  • Overnight

    Overnight: Rain likely.  Cloudy, with a steady temperature around 43. Southwest wind around 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 52. West wind 9 to 11 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am.  Low around 42. Southwest wind 11 to 13 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 54. Southwest wind 9 to 13 mph, with gusts as high as 30 mph.

    High: 54 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

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

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

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

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely. Cloudy, with a steady temperature around 43. Southwest wind around 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 52. West wind 9 to 11 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 42. Southwest wind 11 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. 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 54. Southwest wind 9 to 13 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph, with gusts as high as 24 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain after 4pm. Mostly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 49.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34.
Monday
Rain likely. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Sisters OR
 44.3°N 121.64°W (Elev. 3507 ft)
2:30 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 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