Mammoth Mountain Weather

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Latest Observations

Mammoth

15 Minute Data | America/Los_Angeles

as of 9/20/26 1:23 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	9/20/26	0115	9.0 8.8	NNE \| 31	13.2 13.0	40.8 0.7	34.1	45 15	21.3 8.6	33.7 1.6	13.2 13.0	0101	NNE \| 22	40.7 1.5	40.9 1.5	27.3	35.5	52.7
Gondola2 Twr10 - 10,999ft	9/20/26	0115	4.5 3.7	SSE \| 166	6.9 4.8	-	-	-	-	-	6.9 4.8	0101	SSE \| 157	-	-	12.3	-	-
Gondola2 Twr8 - 10,506ft	9/20/26	0115	3.8 0.8	NE \| 42	7.4 0.3	-	-	-	-	-	7.4 0.3	0101	NE \| 35	-	-	20.1	-	-
Top of 22 - 10,067ft	9/20/26	0115	6.8 4.5	SW \| 226	11.1 5.3	45.9 4.3	42.4	42 14	23.9 3.2	37.3 1.4	11.1 5.3	0101	NW \| 323	45.4 4.2	46.2 3.5	18.3	36.3	69.4
Chair 1 Top - 9,875ft	9/20/26	0115	5.8 5.8	NE \| 54	8.8 8.8	-	-	-	-	-	8.8 8.8	0101	NE \| 54	-	-	32.9	-	-
Chair 2 Top - 9,843ft	9/20/26	0115	-	-	-	44.5 6.6	-	38 16	20.8 2.2	35.7 3.2	-	-	-	44.4 6.7	44.7 6.3	-	35.7	59.1
Top of 3 - 10,489ft	9/20/26	0115	-	-	-	42.6 3.8	-	43 10	21.6 1.3	34.9 1.9	-	-	-	42.4 4.2	42.8 3.8	-	34.2	55.2
Chair 9 Twr15 - 9,846ft	9/20/26	0115	-	W \| 272	-	-	-	-	-	-	-	0109	W \| 272	-	-	-	-	-
Chair 9 Twr11 - 9,421ft	9/20/26	0115	-	W \| 274	-	-	-	-	-	-	-	0109	W \| 274	-	-	-	-	-
Chair 10 Twr20 - 9,875ft	9/20/26	0115	0.7 2.3	E \| 79	4.1 4.2	-	-	-	-	-	4.1 4.2	0111	SE \| 130	-	-	19.6	-	-
Chair 10 Twr17 - 9,601ft	9/20/26	0100	0.2 0.6	WSW \| 241	3.4 0.6	-	-	-	-	-	19.2 9.5	1608	NW \| 308	-	-	28.7	-	-
Gondola1 Twr12 - 9,496ft	9/20/26	0115	2.2 1.9	W \| 281	6.3 4.1	-	-	-	-	-	6.3 4.1	0101	W \| 278	-	-	19.6	-	-
Gondola1 Twr6 - 9,259ft	9/20/26	0115	2.8 2.1	WNW \| 284	5.6 1.1	-	-	-	-	-	5.6 1.1	0101	N \| 354	-	-	19.9	-	-
McCoy Stn - 9,630ft	9/20/26	0115	0.4 0.3	E \| 100	2.0 0.8	45.2 7.8	-	44 15	24.3 0.0	37.0 4.5	2.0 0.8	0101	E \| 87	44.8 7.8	45.6 8.2	18.3	35.4	60.3
Top of 15 - 9,047ft	9/20/26	0115	1.1 1.0	W \| 270	4.0 0.1	46.0 6.6	-	34 14	19.2 2.1	36.1 3.2	4.0 0.1	0103	WNW \| 282	45.5 6.7	46.6 6.6	15.2	36.6	64.2
Sesame - 9,014ft	9/20/26	0115	0.7 0.0	SE \| 134	3.1 0.2	44.9 4.6	-	42 12	23.1 1.6	35.0 1.7	10.3 0.7	1523	S \| 184	38.7 1.6	63.0 1.8	11.0	36.9	61.2
Bottom of Ch10 (The Mill) - 8,799ft	9/20/26	0115	-	-	-	45.7 6.3	-	3 0	-31.0 4.3	30.6 3.9	-	-	-	44.7 5.7	46.7 6.6	-	35.5	66.2
Woolly's - 8,653ft	9/20/26	0115	-	-	-	-	-	-	-	-	-	0101	-	-	-	-	-	-
Canyon Lodge - 8,343ft	9/20/26	0115	1.4 0.0	SW \| 219	5.0 1.4	48.1 7.2	-	40 0	25.0 6.2	38.8 5.7	5.0 1.4	0113	SSW \| 199	46.7 6.2	49.1 7.8	11.4	37.5	67.8
Bottom of 15 (Little Eagle) - 8,107ft	9/20/26	0115	-	-	-	43.8 5.6	-	45 10	24.0 0.3	36.2 3.3	-	-	-	43.6 5.5	44.4 6.0	-	35.4	69.4
RMK Bottom of 9 - 8,726ft	9/20/26	0115	1.5 0.5	SW \| 226	2.3 2.0	44.7 5.4	-	41 12	22.6 1.0	36.3 2.8	10.3 2.7	1553	W \| 264	35.8 2.9	66.0 0.7	13.0	36.2	65.3
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	9/20/26	0115	9.5 1.0	ESE \| 115	10.7 0.2	40.4 4.1	34.4 4.5	49 9	22.7 0.1	34.0 2.4	13.0 0.0	0109	ESE \| 109	40.3 4.5	40.5 3.6	15.4	32.0	65.8
Max			9.5	-	13.2	48.1	42.4	49	25.0	38.8	19.2	-	-	46.7	66.0	32.9	37.5	69.4
Avg			3.4	-	6.3	44.4	36.9	39	18.1	35.5	-	-	-	-	-	-	-	-
Min			0.2	-	2.0	40.4	34.1	3	-31.0	30.6	2.0	-	-	35.8	40.5	11.0	32.0	52.7

Latest Snow Study Sites

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

15 Minute Data | America/Los_Angeles

as of 9/20/26 1:23 AM PDT

Station	Date	Time	M DailyPrec 515AM (In)	Temp (°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	9/20/26	0115	0.00	44.7 5.4	1.5 0.5	SW \| 226	2.3 2.0	-	0.00	71.56
Sesame - 9,014ft	9/20/26	0115	0.00	44.9 4.6	0.7 0.0	SE \| 134	3.1 0.2	0.0	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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