Mammoth Mountain & Eastern Sierra Weather Forecast

Mammoth Mountain & Eastern Sierra Weather Forecast

Mammoth Mountain & Eastern Sierra Recreational Weather Forecast

Friday, October 1st, 2021 @ 2:50 PM

Good afternoon, checking the window cast we have smoke in the area from Mammoth Lakes north at this time.

Taking a look at local conditions the last couple of days. Yesterday at the top of Mammoth Mountain there was a high of 43, the low this morning was 38. The peak wind gust on Thursday was 41 MPH out of the ENE. Today’s peak gust was 31 MPH out of the WSW

In Mammoth Lakes, the temperature peaked at 64 degrees on Thursday with a low of 32 degrees this morning. With a high today of 64 degrees.

Down in Bishop on Thursday, there was a temperature of 80 degrees with a low of 35 degrees this morning. Today there has been a high of 82. Winds have been light with peak winds under 10 MPH out of the NW on average.

Temperatures: For Mammoth Mountain and the Mammoth Lakes Basin area highs will be in the mid-60s with lows in the low 40s.

Mammoth Lakes will have highs in the upper 60s to near 70 through the weekend with night times lows in the upper 30s to low 40s.

Bishop and Round Valleys look for highs in the low to mid-80s with nighttime lows in the mid-40s right thru the weekend.

Winds: Winds are in a battle right now with the SW version winning out. Looks like the wind direction will go back to the east for a bit in the 10-20 hour period before the afternoon SW wind wins again Saturday afternoon. Winds speeds below ridges will be in the 5-15 MPH range.

Precipitation: The next chance would be the middle of next week for a dusting with more possible right after that. The period October 8th thru the 12th is looking interesting. See the weather story and 10-day outlook down the page.

Here are the links to the local NWS Forecasts for Main Lodge & the Mammoth Lakes BasinMammoth LakesJune LakeCrowley Lake, and Bishop.

Fire and Smoke Forecast: At 4:15 AM the wind gauge at the top of Mammoth Mountain showed a change to winds out of the SW. That change is allowing the smoke to our west from the Windy and Complex fires to be able to move into the Mammoth area.

Looks like we are in a battle between the East and Southwest flow right now so expect the haze at times again into early next week. The SW flow looking like a sure bet early next week ahead of the next weather change.

The SW flow will surely bring back some smoke and haze to all areas before it gets pushed out again later next week. ughhh I can’t wait till it rains and snows so we can stop talking about smoke.  Yikes…

Current Air Quality Image

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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