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

37°F

3°C

Humidity 55%
Wind Speed SW 23 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 27 Dec 12:55 PM PST
Extended Forecast for

2 Miles NNE Mount Bachelor OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 22. West wind around 6 mph.

    High: 22 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 10pm.  Patchy fog between 7pm and 10pm.  Otherwise, mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Slight Chance
    Snow and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Calm wind.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. South wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. South wind around 6 mph becoming light and variable  in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 22. West wind around 6 mph.
Tonight
A 20 percent chance of snow after 10pm. Patchy fog between 7pm and 10pm. Otherwise, mostly cloudy, with a low around 13. Calm wind.
Sunday
Mostly sunny, with a high near 31. Calm wind.
Sunday Night
Partly cloudy, with a low around 21. South wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 37. South wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 27.
New Year's Day
A chance of snow. Partly sunny, with a high near 37.
Thursday Night
Snow. Mostly cloudy, with a low around 27.
Friday
Snow. Mostly cloudy, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Mount Bachelor OR
 44.01°N 121.68°W (Elev. 6207 ft)
1:32 pm PST Dec 27, 2025
1pm PST Dec 27, 2025-6pm PST Jan 2, 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