Mammoth Mountain Weather

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Latest Observations

Mammoth

15 Minute Data | America/Los_Angeles

as of 9/18/26 1:52 AM PDT

Station	Date	Time	Wind Spd (mph)	Wind Dir (°)	Wind Gust (mph)	Temp (°F)	WindChill (°F)	RH (%)	Dew Pt (°F)	Wet Bulb (°F)	Daily Max Wind (mph)	Time of Max Wind	Max Wind Dir (°)	Daily Min Temp (°F)	Daily Max Temp (°F)	Yest MaxGst (mph)	Yest MinT (°F)	Yest MaxT (°F)
Top Stn/Summit - 11,053ft	9/18/26	0145	25.9 0.3	SW \| 229	32.3 0.5	30.8 0.6	16.1 0.8	72 23	22.8 7.2	28.0 2.8	34.8 1.9	0123	SW \| 225	30.4 0.6	31.5 1.2	52.2	29.2	43.6
Gondola2 Twr10 - 10,999ft	9/18/26	0145	1.4 0.5	SSE \| 168	4.4 1.2	-	-	-	-	-	4.5 1.1	0122	E \| 88	-	-	10.7	-	-
Gondola2 Twr8 - 10,506ft	9/18/26	0145	3.2 3.3	SSW \| 199	16.4 0.1	-	-	-	-	-	16.4 0.1	0134	NW \| 305	-	-	26.3	-	-
Top of 22 - 10,067ft	9/18/26	0145	33.5 1.3	SW \| 214	42.1 0.8	43.1 2.4	32.2 3.1	44 20	22.9 11.2	35.5 5.1	46.8 5.0	0122	SE \| 125	42.6 0.8	43.8 16.5	59.5	34.6	71.7
Chair 1 Top - 9,875ft	9/18/26	0145	15.1 2.5	W \| 264	36.9 0.4	-	-	-	-	-	36.9 0.4	0142	W \| 272	-	-	65.2	-	-
Chair 2 Top - 9,843ft	9/18/26	0145	-	-	-	37.5 1.0	-	51 30	21.2 10.2	31.8 2.7	-	-	-	37.0 0.6	37.7 0.6	-	33.3	48.6
Top of 3 - 10,489ft	9/18/26	0145	-	-	-	33.0 0.1	-	67 26	23.2 7.7	29.5 2.5	-	-	-	32.8 0.1	33.3 1.2	-	31.0	47.2
Chair 9 Twr15 - 9,846ft	9/18/26	0145	-	W \| 273	-	-	-	-	-	-	-	0132	W \| 273	-	-	-	-	-
Chair 9 Twr11 - 9,421ft	9/18/26	0145	-	W \| 274	-	-	-	-	-	-	-	0141	W \| 274	-	-	-	-	-
Chair 10 Twr20 - 9,875ft	9/18/26	0145	10.3 8.6	WSW \| 238	26.5 5.7	-	-	-	-	-	30.2 2.1	0121	NW \| 322	-	-	51.0	-	-
Chair 10 Twr17 - 9,601ft	9/18/26	0130	14.0 1.2	SW \| 231	28.7 1.0	-	-	-	-	-	28.7 0.2	0125	NW \| 317	-	-	58.6	-	-
Gondola1 Twr12 - 9,496ft	9/18/26	0145	12.4 7.5	E \| 100	24.6 9.9	-	-	-	-	-	24.6 2.6	0143	ESE \| 123	-	-	43.3	-	-
Gondola1 Twr6 - 9,259ft	9/18/26	0145	12.3 6.1	E \| 88	21.3 6.5	-	-	-	-	-	21.3 0.1	0144	E \| 88	-	-	36.2	-	-
McCoy Stn - 9,630ft	9/18/26	0145	5.9 1.8	SW \| 214	14.1 1.7	39.0 1.0	34.6 0.3	51 27	22.4 9.2	33.0 2.4	14.7 2.4	0122	WSW \| 238	38.4 0.6	39.2 0.9	35.3	34.6	49.9
Top of 15 - 9,047ft	9/18/26	0145	11.6 0.6	WSW \| 240	27.4 4.6	42.4 0.9	36.0 0.9	32 26	14.6 13.3	33.1 3.1	27.4 4.6	0136	WSW \| 240	41.5 0.6	43.2 0.4	36.2	37.0	54.5
Sesame - 9,014ft	9/18/26	0145	2.5 1.5	SW \| 225	8.0 5.1	39.9 1.0	37.1 0.9	54 17	24.6 7.8	32.9 3.6	17.7 3.6	0650	S \| 180	37.8 2.9	54.3 0.4	21.2	37.9	54.7
Bottom of Ch10 (The Mill) - 8,799ft	9/18/26	0145	-	-	-	44.7 0.9	-	3 0	-31.7 0.6	30.1 0.5	-	-	-	44.2 0.7	45.0 0.8	-	40.3	56.5
Woolly's - 8,653ft	9/18/26	0145	12.1 2.7	WNW \| 295	20.8 5.4	44.3 2.1	38.2 3.5	41 0	21.8 1.7	36.1 1.6	27.5 5.6	0108	W \| 278	44.1 1.4	45.3 2.3	36.9	40.5	57.6
Canyon Lodge - 8,343ft	9/18/26	0145	5.9 2.1	WSW \| 239	19.9 4.5	46.7 0.7	43.8 2.3	43 1	25.2 0.2	38.1 0.4	19.9 4.5	0137	WSW \| 246	45.8 1.2	47.4 1.3	26.7	41.8	59.2
Bottom of 15 (Little Eagle) - 8,107ft	9/18/26	0145	-	-	-	45.7 0.8	-	45 13	25.3 7.2	37.6 2.9	-	-	-	44.9 1.3	46.2 2.0	-	42.5	59.0
RMK Bottom of 9 - 8,726ft	9/18/26	0145	3.2 0.3	WSW \| 251	12.2 0.9	43.3 1.3	38.7 1.2	43 31	22.1 12.0	35.4 3.3	24.0 4.8	0848	WSW \| 245	38.8 3.2	56.4 0.8	19.1	38.9	55.5
June Base Tx Office - 7,581ft	9/10/26	0945	1.5 1.0	SW \| 233	4.5 0.9	67.7 0.3	-	44 17	44.9 12.1	55.7 6.1	5.6 8.5	0934	W \| 262	46.9 8.3	71.4 3.1	16.8	38.7	80.6
June Mid Mtn Chalet - 8,689ft	9/18/26	0145	7.2 7.8	SE \| 124	10.1 17.4	38.0 10.3	32.7 9.8	31 12	9.7 2.1	29.6 5.6	13.9 21.7	0101	ESE \| 112	36.9 11.2	39.0 10.1	42.3	38.5	58.3
Max			33.5	-	42.1	46.7	43.8	72	25.3	38.1	46.8	-	-	45.8	56.4	65.2	42.5	71.7
Avg			11.0	-	21.6	40.6	34.4	44	17.2	33.1	-	-	-	-	-	-	-	-
Min			1.4	-	4.4	30.8	16.1	3	-31.7	28.0	4.5	-	-	30.4	31.5	10.7	29.2	43.6

Latest Snow Study Sites

RMK Bottom of 9 - 8,726ft, Sesame - 9,014ft

15 Minute Data | America/Los_Angeles

as of 9/18/26 1:52 AM PDT

Station	Date	Time	M DailyPrec 515AM (In)	Temp (°F)	WindChill (°F)	Wind Spd (mph)	Wind Dir (°)	Wind Gust (mph)	Snow Depth (HS) (in)	M Month Precip (In)	M Season Precip (In)
RMK Bottom of 9 - 8,726ft	9/18/26	0145	0.00	43.3 1.3	38.7 1.2	3.2 0.3	WSW \| 251	12.2 0.9	-	0.00	71.56
Sesame - 9,014ft	9/18/26	0145	0.00	39.9 1.0	37.1 0.9	2.5 1.5	SW \| 225	8.0 5.1	0.2	0.00	42.37

Mammoth Weather Stations

Summit/Top Stn - [11,053ft / 3,369m]
Gondola 2 (Towers 10 & 8) - [10,999ft / 3,353m]
Chair 1 Top - [9,875ft / 3,010m]
Chair 2 Top - [9,843ft / 3,000m]
Chair 1 (Towers 9 & 5) - [9,123ft / 2,781m]
Top of 22 - [10,067ft / 3,068m]
Top of 3 - [10,489ft / 3,197m]
Chair 9 (Towers 15 & 11) - [9,846ft / 3,001m]
Chair 10 (Towers 20 & 17) - [9,875ft / 3,010m
Gondola 1 (Towers 12 & 6) - [9,496ft / 2,894m]
McCoy (Bottom of Ch3) - [9,630ft / 2,935m]
Top of 15 - [9,057ft / 2,761m]
Sesame Snow Study Site - [9,014ft / 2,747m]
Woollys Tube Park - [8,653ft / 2,637m]
Canyon Lodge - [8,343ft / 2,543m]
Bottom of 15 (Little Eagle) - [8,107ft / 2,471m]
RMK Bottom of 9 - [8,726ft]
June Mountain - [8,689-7,581ft / 2,648-2,311m]

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