Mammoth Lakes & Mammoth Mountain Weather Forecast

Whitebark in Mammoth Discount Coupon7-19-2017 – 6AM – Hello from Mammoth Mountain and Mammoth Lakes, California.

It’s Summer time with highs in the upper 70s to low 80s in town with 60s to low 70s out on Mammoth Mountain and up in the Mammoth Lakes Basin. 

Night time lows are in now into the upper 40s to low 50s, perfect for a night of camping.

Winds in the area have been a bit gusty the last 24 hours with gusts to 70 on Tuesday over the upper elevations above 10,000 feet.  Today expect winds in the 25-35 MPH range in upper elevations with winds 15-25 MPH at times in town. By the weekend the windy conditions will be gone.

Air Quality in the area is haze with just a bit of the smell of smoke at times from a fire in Mariposa on the west side if the Sierra Mountains. Most of the smoke from that fires is moving to the north of us with the SW flow we have. As of now the haze does not pose a heath issue so get out and play. 

Long Range no big changes coming the next 6-7 days. Just clear skies with normal summer time weather for Mammoth. We will be watching for a moderate monsoon, at this time models show we might get a little taste of a monsoon in about a week. 

Enjoy the next couple months of Summer in Mammoth Lakes it looks like a warm one with a warm Fall to follow. First look at Winter and it could go either way, we have no call at this time.

Snowman out….


Looking West to Mammoth Mountain - Cal Trans Cam Looking SE at SB US 395

Mammoth Mountain Satelight

Mammoth Mountain RadarMammoth Mountain Jet StreamMammoth Mountain 10 Day Precipitation OutlookMammoth Mountain Temperature OutlookMammoth Mountain 14 Day Rain and Snow OutlookMammoth Mountain 14 Day Temperature OutlookMJO Outlook Chart GFSPacific SST

Mammoth Mountain & Mammoth Lakes Weather

Looking Back at some Big H20 Winters 

2017 beat all of these with 100+ inches of H20 at Main Lodge

1. 1983 91.0″ H2O (83.7″ @ 4-1-83)

2. 1969 86.5″ H2O

3. 1995 80.0″ H2O

4. 1967 78.1″ H2O (55.4″ @ 4-1-67)

5. 2006 76.0″ H2O (63.6″ @ 4-1-06) ***

6. 1978 76.0″ H2O (67.8″ @ 4-1-78)

7. 1938 75.2″ H2O

8. 1986 74.0″ H2O (64.0″ @ 4-1-86)

9. 1952 73.7″ H2O

10. 1982 73.0″ H2O

11. 2005 72.5″ H2O (68.5″ @ 4-1-05)

12. 1993 67.1″ H2O

13. 1980 65.8″ H2O

14. 1941 64.0″ H2O

15. 1958 62.0″ H2O


Steve TaylorSteve Taylor – The Mammoth Snowman: Over the last 30+ years, Snowman have spent countless hours studying and learning about mammoth mountain weather and snow conditions first hand.

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 his Video & Photo Blog reports. (No You Tube back then)

Snowman has had his reports, videos and photos featured on both local TV Stations here in Mammoth, along with Fox, ABC, CBS and NBC News. ________________________________________________________

Ted Schlaepfer – CCM – The Mammoth Weather GuyTed Schlaepfer – CCM – The Mammoth Weather Guy: Bio: Always 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 Mountain in 1979 as a youth, and have been a regular visitor since.

Putting together the Powder Outlook has been a lot of fun over the last 7 snow seasons.


Mammoth Mountain Weather Forecast

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