National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

DEVILS POST PILE RAWS NEAR MAMMOTH LAKES 6WSW DPO (DPPC1)

Lat: 37.63°NLon: 119.09333°WElev: 8024.0ft.

NA

37°F

3°C

Humidity 35%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 30 Dec 05:00 AM PST
Extended Forecast for

9 Miles S Mammoth Lakes CA

  • Today

    Today: Partly sunny, with a high near 37. Wind chill values as low as 17. South southeast wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Wind chill values as low as 20. South southeast wind 5 to 15 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely after 10am. Cloudy, with a high near 34. Wind chill values as low as 24. East wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Low around 29. Wind chill values as low as 21. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow

  • New Year's Day

    New Year's Day: Snow. High near 30. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after 4pm. Partly sunny and cold, with a high near 29. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow. Low around 23. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 23 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. High near 24. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 24 °F

    Snow

Detailed Forecast

Today
Partly sunny, with a high near 37. Wind chill values as low as 17. South southeast wind 5 to 10 mph becoming light and variable in the afternoon.
Tonight
Mostly cloudy, with a low around 28. Wind chill values as low as 20. South southeast wind 5 to 15 mph.
Wednesday
Snow likely after 10am. Cloudy, with a high near 34. Wind chill values as low as 24. East wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 29. Wind chill values as low as 21. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
New Year's Day
Snow. High near 30. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly after 4pm. Partly sunny and cold, with a high near 29. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow. Low around 23. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Saturday
Snow. High near 24. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Saturday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
A 50 percent chance of snow. Partly sunny and cold, with a high near 25. West southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. South southeast wind around 10 mph, with gusts as high as 15 mph.
Monday
A 40 percent chance of snow. Partly sunny and cold, with a high near 28. West southwest wind around 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Mammoth Lakes CA
 37.49°N 119.02°W (Elev. 10066 ft)
Last Update:
4:56 am PST Dec 30, 2025
Forecast Valid:
5am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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