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 69%
Wind Speed W 12 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 27 Dec 06:55 PM PST
Extended Forecast for

6 Miles NNW Suttle Lake OR

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 10pm.  Patchy fog before 10pm.  Otherwise, mostly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 17 °F

    Chance Snow
    and Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Light and variable wind becoming southeast around 5 mph in the morning.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Southeast wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. East wind around 7 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23. East wind around 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °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 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after 4am.  Snow level 6000 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 10%.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 10pm. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 30. Light and variable wind becoming southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 21. Southeast wind around 6 mph.
Monday
Mostly sunny, with a high near 35. East wind around 7 mph.
Monday Night
Partly cloudy, with a low around 23. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
A slight chance of rain and snow after 4am. Snow level 6000 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 10%.
New Year's Day
A chance of rain and snow, mainly after 10am. Snow level 5500 feet. Partly sunny, with a high near 40.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Friday
Snow. Mostly cloudy, with a high near 34.
Friday Night
Snow likely. Mostly cloudy, with a low around 22.
Saturday
A chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Suttle Lake OR
 44.5°N 121.79°W (Elev. 5049 ft)
3:47 pm PST Dec 27, 2025
7pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database