Mammoth Mountain Weather Forecast & Discussion

December, 29th 2022 @ 11:44 AM – A weak weather system is moving quickly through the area this late morning. There are already 3-4 inches of fresh snow in the Main Lodge area. The front has passed so look for snow showers and gusty winds for the rest of the day out on Mammoth Mountain and down into Mammoth Lakes.

The next upstream disturbance will be into the area overnight / early Friday with more moderate to heavy snowfall at times on Friday. Snow Levels will be high at an estimated 8500-9000 feet. That would be between Main Lodge and down to the base of chair 4.

Snowfall amounts from 9000 feet up from late tonight into late Friday PM and looks to be in the 6-11+ inch range.

This will be lower ratio of Sierra cement snow once again. With that said, this type of snow skis and rides great when it’s falling on a packed surface. I would bet you can get some good fresh thick stuff on Friday, just a heads up. 

If you’re out on the hill this Friday expect highs in the low to mid-30s with snow above 8500-9000 feet with a mix of rain and snow down at Canyon and Eagle Lodges. Winds will be moderate to strong at times out of the SW at 20 to 30 mph, with gusts as high as 55+ mph.

On Saturday expect heavy snow and strong winds, looks like most of the hill would end up on weather hold if the storm comes in as forecast, but that’s still a big if at this point in time. We will have an update on the expected outcome on Friday.

On Sunday the jury is still out on when the snowfall stops, could be that it ends overnight or as the ECM is showing there could be more snow showers on New Years’ morning.

Next week the Storm Door is Open, the fine details are not in tune this far out, but it does look like there could possibly be more footage of snowfall with a bit lower snow levels.

Of course, we will keep you updated here on the website.Snowman

PS: Get the Mammoth Weather Guys Tuesday Powder Outlook at this link

NWS Mammoth Mountain Forecast Image

Current Satellite View
Current Satellite View

Mammoth Mountain Weather Data

Short & Long-Range Fantasy Outlooks

Updated – 12-29-2022

ECM 500 Anomaly Ensemble Mean out 10 Days
ECM Mean Snowfall out 198 Hours
Temperature Anomaly out 10 days
EPS Weeklies 7 Day Precipitation Anomaly out to February 5th

12-8-2022 @ 10 AM – The new run of the EPS Seasonal is out and it continues to show the trend of an average to above-average winter for snowfall. So good vibes moving forward as we continue with this snow season.

See you out on the hill, Snowman

Mammoth Mountain and Eastern Sierra Weather Posts

Who Are We?

Steve Taylor – Mammoth Snowman Over the last 30+ years, Snowman has spent countless hours studying and learning about Mammoth Mountain Weather and Snow Conditions first hand. He has been skiing around the hill with marked ski poles since March of 1991 so he can measure the fresh snowfall amounts out on the hill. 

Snowman started blogging this information back in 1990 on the old Mammoth BBS system, then the RSN Forums and then on to in 2004 with Video & Photo Blog report. (No YouTube back then). Facebook got added to the fold back in 2008 and then the Facebook Group in 2016. 

Reports, videos, and photos from the website have been featured on both local TV Stations here in Mammoth, along with AP, Fox, ABC, CBS, and NBC News.

Ted Schlaepfer – Mammoth WeatherGuy – The Powder Forecast – Posted Tuesday and Fridays at 5 PM November into Mid May. These forecasts are now responsible for many people getting multiple powder days on Mammoth Mountain over the years.  

Ted’s Bio: Ted has been a full-time Meteorologist (CCM) for the past 25+ years. He has always been fascinated with the weather,” skiing was just a natural extension of my love for snow and rain. I started skiing at age 5,  first discovered Mammoth in 1979 as a youth, and have been a regular visitor since the late ’80s.”.

Here is the link to The WeatherGuys Powder Forecast Page. 

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