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

27°F

-3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Last update 28 Dec 02:55 AM PST
Extended Forecast for

Mount Bachelor OR

  • Overnight

    Overnight: Partly cloudy, with a low around 13. Light north wind.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30. East wind 3 to 5 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a steady temperature around 23. South wind 8 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. South wind 5 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. South wind 8 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 13. Light north wind.
Sunday
Mostly sunny, with a high near 30. East wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a steady temperature around 23. South wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 35. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 24. South wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 36.
Thursday Night
Snow likely. Mostly cloudy, with a low around 26.
Friday
Snow likely. Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
A chance of snow. Mostly cloudy, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Bachelor OR
 43.99°N 121.68°W (Elev. 7638 ft)
3:05 am PST Dec 28, 2025
3am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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