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 60%
Wind Speed W 13 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 27 Dec 03:55 PM PST
Extended Forecast for

4 Miles S Camp Sherman OR

  • Tonight

    Tonight: A 20 percent chance of snow after 10pm.  Patchy fog after 4am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 18. West wind around 5 mph becoming calm  in the evening.

    Low: 18 °F

    Slight Chance
    Snow and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 10pm. Patchy fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 33. Calm wind.
Sunday Night
Partly cloudy, with a low around 21. Calm wind.
Monday
Mostly sunny, with a high near 36. Calm wind.
Monday Night
Partly cloudy, with a low around 22. Calm wind.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
New Year's Day
A chance of rain after 10am, mixing with snow after 4pm. Snow level 5500 feet. Partly sunny, with a high near 43.
Thursday Night
Rain and snow likely. Snow level 5400 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 29.
Friday
Snow likely. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24.
Saturday
A chance of snow. Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Camp Sherman OR
 44.41°N 121.64°W (Elev. 4564 ft)
3:47 pm PST Dec 27, 2025
4pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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