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

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Clear

31°F

-1°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 27 Dec 07:56 PM PST
Extended Forecast for

12 Miles SSE Etna CA

  • Tonight

    Tonight: Patchy fog before 10pm. Widespread freezing fog after midnight.  Otherwise, partly cloudy, with a low around 23. South southeast wind around 5 mph becoming light and variable.

    Low: 23 °F

    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Widespread freezing fog before 11am. Sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Freezing Fog
    then Sunny

  • Sunday Night

    Sunday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 26. East southeast wind around 6 mph.

    Low: 26 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Sunny, with a high near 50. Light northeast wind.

    High: 50 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 32. East wind 3 to 5 mph.

    Low: 32 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 54.

    High: 54 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog before 10pm. Widespread freezing fog after midnight. Otherwise, partly cloudy, with a low around 23. South southeast wind around 5 mph becoming light and variable.
Sunday
Widespread freezing fog before 11am. Sunny, with a high near 42. Light and variable wind.
Sunday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 26. East southeast wind around 6 mph.
Monday
Widespread freezing fog before 11am. Sunny, with a high near 50. Light northeast wind.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 32. East wind 3 to 5 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 35.
New Year's Day
A chance of rain. Snow level 6200 feet. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Snow level 6000 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Snow level 4500 feet. Partly sunny, with a high near 47.
Friday Night
A chance of rain and snow. Snow level 3900 feet. Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSE Etna CA
 41.32°N 122.8°W (Elev. 3199 ft)
3:41 pm PST Dec 27, 2025
8pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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