Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

34°F

1°C

Humidity 59%
Wind Speed SW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 27 Dec 05:55 AM PST
Extended Forecast for

7 Miles NNW Camp Sherman OR

Winter Weather Advisory December 27, 06:19am until December 27, 07:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory December 27, 06:19am until December 27, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Today

    High: 31 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow between 7pm and 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light west wind.  Chance of precipitation is 30%.

    Low: 19 °F

    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 35. Calm wind.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Light east wind.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Today
A 50 percent chance of snow before 1pm. Partly sunny, with a high near 31. West wind 8 to 15 mph, with gusts as high as 40 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow between 7pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Light west wind. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 35. Calm wind.
Sunday Night
Partly cloudy, with a low around 23. Calm wind.
Monday
Mostly sunny, with a high near 39. Light east wind.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
A slight chance of rain after 4am. Partly cloudy, with a low around 30.
New Year's Day
A chance of rain and snow. Mostly cloudy, with a high near 43.
Thursday Night
Rain and snow likely. Snow level 4600 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 30.
Friday
Snow likely. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Camp Sherman OR
 44.55°N 121.71°W (Elev. 3930 ft)
4:20 am PST Dec 27, 2025
6am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database