Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

30°F

-1°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 29 Dec 11:56 PM PST
Extended Forecast for

Weed CA

  • Overnight

    Overnight: Widespread freezing fog. Mostly clear, with a low around 29. East southeast wind around 6 mph.

    Low: 29 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread freezing fog after 10pm. Partly cloudy, with a low around 32. South southeast wind 5 to 7 mph.

    Low: 32 °F

    Freezing Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm.  Widespread freezing fog before 10am. Mostly cloudy, with a high near 45. Light south southeast wind.

    High: 45 °F

    Freezing Fog
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 37. South southeast wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain.  High near 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain before 1am, then rain, possibly mixed with snow.  Snow level 6300 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain then
    Rain/Snow

Detailed Forecast

Overnight
Widespread freezing fog. Mostly clear, with a low around 29. East southeast wind around 6 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 45. Light and variable wind.
Tuesday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 32. South southeast wind 5 to 7 mph.
Wednesday
A 30 percent chance of rain after 4pm. Widespread freezing fog before 10am. Mostly cloudy, with a high near 45. Light south southeast wind.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. South southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. Mostly cloudy, with a high near 46.
Friday Night
Rain before 1am, then rain, possibly mixed with snow. Snow level 6300 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 33.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 5000 feet. Mostly cloudy, with a high near 42.
Saturday Night
Rain and snow likely. Snow level 4700 feet. Mostly cloudy, with a low around 32.
Sunday
Rain and snow likely. Snow level 4600 feet. Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow likely. Snow level 4700 feet. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Snow level 4700 feet. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Weed CA
 41.42°N 122.39°W (Elev. 3560 ft)
12:42 am PST Dec 30, 2025
12am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database