Mammoth Mountain Weather

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Latest Observation

22 Stations

15 Minute Data | America/Los_Angeles

as of 5/20/26 4:22 PM 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	5/20/26	1615	15.4 8.0	SE \| 141	24.0 7.6	41.4 2.7	32.4 1.2	61 4	29.0 4.1	36.4 2.9	27.8 0.0	1429	WSW \| 240	29.5 8.4	44.7 4.5	36.9	21.1	40.2
Gondola2 Twr10 - 10,999ft	5/20/26	1615	2.8 1.0	S \| 170	9.7 1.8	-	-	-	-	-	11.2 2.1	1507	N \| 11	-	-	15.7	-	-
Gondola2 Twr8 - 10,506ft	5/20/26	1600	7.6 0.8	SW \| 225	16.7 2.1	-	-	-	-	-	20.7 3.5	1539	WSW \| 257	-	-	20.2	-	-
Top of 22 - 10,067ft	5/20/26	1615	15.1 10.2	N \| 6	23.2 11.5	53.7 1.1	-	38 10	28.9 6.4	42.8 1.4	23.2 0.8	1601	N \| 7	31.9 7.0	61.0 3.8	23.6	24.9	57.2
Chair 1 Top - 9,875ft	5/20/26	1615	26.4 10.9	SSW \| 208	35.8 6.5	-	-	-	-	-	37.5 8.2	1553	SSW \| 202	-	-	37.0	-	-
Top of 3 - 10,489ft	5/20/26	1615	-	-	-	43.0 2.5	-	57 5	28.6 4.8	37.2 3.0	-	-	-	30.7 8.0	46.9 3.8	-	22.7	43.2
Chair 9 Twr15 - 9,846ft	5/20/26	1615	10.9 4.8	WSW \| 238	19.4 4.3	-	-	-	-	-	19.4 1.2	1605	WSW \| 249	-	-	18.2	-	-
Chair 9 Twr11 - 9,421ft	5/20/26	1615	14.6 5.6	ENE \| 67	27.2 10.3	-	-	-	-	-	27.2 4.8	1607	ENE \| 61	-	-	24.4	-	-
Chair 10 Twr20 - 9,875ft	5/20/26	1615	13.6 4.6	NW \| 323	23.6 8.4	-	-	-	-	-	23.6 4.3	1601	NW \| 325	-	-	21.8	-	-
Chair 10 Twr17 - 9,601ft	5/20/26	1600	11.2 4.7	NW \| 323	16.8 4.3	-	-	-	-	-	19.8 4.0	1514	NNW \| 340	-	-	17.8	-	-
Gondola1 Twr12 - 9,496ft	5/20/26	1615	13.1 5.8	S \| 188	19.2 5.2	-	-	-	-	-	21.0 2.3	1554	SSW \| 194	-	-	19.2	-	-
Gondola1 Twr6 - 9,259ft	5/20/26	1600	11.1 4.8	NW \| 307	17.4 4.2	-	-	-	-	-	17.5 1.1	1508	NW \| 318	-	-	18.9	-	-
McCoy Stn - 9,630ft	5/20/26	1615	7.0 3.2	S \| 172	14.8 6.1	45.9 2.9	42.2 1.2	52 7	29.4 6.4	39.1 3.5	18.0 0.6	0250	S \| 176	30.2 5.9	52.4 5.9	18.6	24.2	46.4
Top of 15 - 9,047ft	5/20/26	1615	7.0 4.0	SW \| 215	17.4 7.3	50.8 2.4	-	35 5	24.3 5.7	40.0 2.7	19.0 5.2	1552	WSW \| 240	34.1 7.8	57.4 5.6	15.9	26.3	51.8
Sesame - 9,014ft	5/20/26	1615	4.1 0.2	SSW \| 208	14.5 1.8	51.6 2.5	-	43 4	29.8 4.5	40.5 2.8	9.8 0.7	1604	S \| 183	35.2 7.4	56.5 4.3	9.2	27.9	52.2
Bottom of Ch10 (The Mill) - 8,799ft	5/4/26	1030	-	-	-	35.2 12.4	-	88 38	31.6 1.4	33.9 6.3	-	-	-	31.2 2.9	42.8 7.5	-	33.4	50.2
Woolly's - 8,653ft	5/20/26	1615	9.7 5.2	WNW \| 289	15.9 7.6	54.5 1.5	-	35 8	27.7 7.2	43.1 2.8	21.5 2.7	1515	WNW \| 298	32.5 5.8	59.4 2.5	24.2	26.8	56.8
Canyon Lodge - 8,343ft	5/20/26	1615	2.9 1.9	SW \| 216	8.4 2.8	57.2 4.3	-	25 3	22.1 1.3	42.5 2.4	16.1 2.2	1313	NW \| 316	34.9 6.3	59.9 4.8	17.7	28.6	55.1
Bottom of 15 (Little Eagle) - 8,107ft	5/20/26	1615	-	-	-	58.6 5.5	-	35 5	30.8 9.1	45.6 5.1	-	-	-	32.1 6.2	62.8 5.0	-	25.9	57.8
RMK Bottom of 9 - 8,726ft	5/20/26	1615	4.7 2.0	SSW \| 207	10.7 3.6	52.0 1.7	-	41 5	29.3 4.8	42.1 2.3	11.5 1.5	1530	SW \| 227	35.2 7.7	60.8 4.9	10.1	27.5	55.9
June Mid Mtn Chalet - 8,689ft	5/20/26	1615	5.1 0.8	W \| 280	16.6 3.6	58.8 5.5	-	19 1	17.0 3.9	42.2 4.1	19.7 2.5	1613	NNW \| 341	30.0 5.0	60.3 5.0	24.2	25.0	55.4
June Base Tx Office - 7,581ft	5/20/26	1600	4.1 0.7	SSE \| 164	10.1 2.9	62.9 5.5	-	17 1	17.5 3.3	43.9 3.2	16.8 1.1	1233	NE \| 47	28.9 4.7	63.9 5.0	17.9	24.3	59.4
Max			26.4	-	35.8	62.9	42.2	61	30.8	45.6	37.5	-	-	35.2	63.9	37.0	28.6	59.4
Avg			9.8	-	18.0	52.5	37.3	38	26.2	41.3	-	-	-	-	-	-	-	-
Min			2.8	-	8.4	41.4	32.4	17	17.0	36.4	9.8	-	-	28.9	44.7	9.2	21.1	40.2

Latest Snow Study Sites

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

15 Minute Data | America/Los_Angeles

as of 5/20/26 4:22 PM PDT

Station	Date	Time	New Snow (HN) (in)	M DailyPrec 515AM (In)	Storm Snow (HST) (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	5/20/26	1615	0.0	0.00	0	52.0 1.7	4.7 2.0	SSW \| 207	10.7 3.6	0.0	0.87	68.21
Sesame - 9,014ft	5/20/26	1615	0.0	0.00	0	51.6 2.5	4.1 0.2	SSW \| 208	14.5 1.8	0.0	0.42	40.76

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 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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