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

52°F

11°C

Humidity 66%
Wind Speed W 14 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 08 Dec 11:55 PM PST
Extended Forecast for

4 Miles S Camp Sherman OR

  • Overnight

    Overnight: Rain.  Low around 40. Breezy, with a west wind around 23 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain.  High near 48. West wind 13 to 15 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 44. West wind 17 to 21 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Partly sunny, with a high near 49. Southwest wind 15 to 18 mph, with gusts as high as 43 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 41. Southwest wind around 14 mph, with gusts as high as 36 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Thursday Night

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

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

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

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 40. Breezy, with a west wind around 23 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 48. West wind 13 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. Low around 44. West wind 17 to 21 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 49. Southwest wind 15 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41. Southwest wind around 14 mph, with gusts as high as 36 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain after 4pm. Mostly sunny, with a high near 53.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Camp Sherman OR
 44.41°N 121.64°W (Elev. 4564 ft)
10:35 pm PST Dec 8, 2025
12am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database