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

25°F

-4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 27 Dec 11:55 PM PST
Extended Forecast for

10 Miles SSW Sisters OR

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a steady temperature around 23. Calm wind.

    Low: 23 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Calm wind.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 23. Calm wind.
Sunday
Mostly sunny, with a high near 33. Calm wind.
Sunday Night
Partly cloudy, with a low around 25. Calm wind.
Monday
Mostly sunny, with a high near 40. Calm wind.
Monday Night
Partly cloudy, with a low around 30. Calm wind.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 32.
New Year's Day
A chance of rain and snow, mainly after 10am. Snow level 5600 feet. Partly sunny, with a high near 43.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Friday
Snow likely. Partly sunny, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Partly sunny, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Sisters OR
 44.17°N 121.63°W (Elev. 5200 ft)
12:46 am PST Dec 28, 2025
12am PST Dec 28, 2025-6pm PST Jan 3, 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