MM-Top Stn/Summit - Mammoth Mountain Weather

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Last 6 Observations

Last 30 Minutes (5-Min)

5 Minute Data | America/Los_Angeles

as of 9/20/26 4:12 AM PDT

Date & Time	Wind Spd (mph)	Wind Dir (°)	Wind Gust (mph)	Wind Spd Sonic (mph)	Wind Dir Sonic (°)	Wind Gust Sonic (mph)
9/20/26 - 0410	0.2	ESE \| 114	0.2	2.3	SE \| 124	3.6
9/20/26 - 0405	0.2	ESE \| 114	0.2	3.2	ESE \| 119	4.5
9/20/26 - 0400	0.3	ESE \| 114	0.9	4.3	ESE \| 109	6.5
9/20/26 - 0355	0.7	ESE \| 112	1.9	5.9	ESE \| 114	8.0
9/20/26 - 0350	1.8	ESE \| 108	4.6	5.9	ESE \| 105	9.4
9/20/26 - 0345	0.6	ESE \| 106	3.3	5.0	E \| 96	9.2
Max	1.8	-	4.6	5.9	-	9.4
Avg	0.6	-	1.9	4.4	-	6.9
Min	0.2	-	0.2	2.3	-	3.6

Top Stn/Summit - 11,053ft

Current Conditions

9/20/26 4:00 AM (-07:00)

Updated Every 15 Minutes

Wind Spd	0.9 mph 5.0
Wind Spd Sonic	5.4 mph 3.1
Wind Dir	ESE \| 112 °
Wind Dir Sonic	ESE \| 110 °
Wind Gust	4.6 mph 4.0
Wind Gust Sonic	9.4 mph 3.6
Temp	42.2 °F 1.8
RH	42 % 7
Dew Pt	20.6 °F 5.8
Wet Bulb	34.4 °F 2.4
Daily Max Wind	13.2 mph 4.6
Time of Max Wind	0101
Max Wind Dir	NNE \| 22 °
Daily Max Gust Sonic	14.3 mph 1.3
Time Wind Max Sonic	0101
Dir Max Gust Sonic	N \| 8 Degrees
Daily Max Temp	42.8 °F 0.1
Daily Min Temp	40.1 °F 1.3
Yest MaxT	52.7 °F
Yest MinT	35.5 °F
Yest MaxGst	27.3 mph

Last 24 Hours

Top Stn/Summit - 11,053ft

15 Minute Data | America/Los_Angeles

as of 9/20/26 4:12 AM PDT

Date & Time	Temp (°F)	WindChill (°F)	RH (%)	Dew Pt (°F)	Wet Bulb (°F)	Wind Spd (mph)	Wind Spd Sonic (mph)	Wind Dir (°)	Wind Dir Sonic (°)	Wind Gust (mph)	Wind Gust Sonic (mph)	Daily Min Temp (°F)	Daily Max Temp (°F)	Daily Max Wind (mph)	Daily Max Gust Sonic (mph)
9/20/26 - 0400	42.2	-	42	20.6	34.4	0.9	5.4	ESE \| 112	ESE \| 110	4.6	9.4	40.1	42.8	13.2	14.3
9/20/26 - 0345	42.5	41.0	42	21.0	34.7	0.8	4.7	ESE \| 104	E \| 99	5.7	9.2	40.1	42.8	13.2	14.3
9/20/26 - 0330	42.0	38.2	44	21.5	34.5	2.6	6.7	ENE \| 73	NE \| 55	9.4	10.7	40.1	42.6	13.2	14.3
9/20/26 - 0315	40.6	37.0	46	21.4	33.7	3.7	7.4	NE \| 40	NNE \| 33	6.9	11.2	40.1	41.5	13.2	14.3
9/20/26 - 0300	40.5	36.1	46	21.3	33.6	5.0	7.7	NE \| 37	NNE \| 32	7.6	9.8	40.1	41.0	13.2	14.3
9/20/26 - 0245	40.3	36.7	46	21.2	33.4	3.6	7.6	NNE \| 25	NNE \| 16	6.8	10.3	40.1	40.9	13.2	14.3
9/20/26 - 0230	40.4	36.2	46	21.2	33.5	4.5	7.7	NNE \| 30	NNE \| 14	7.5	10.5	40.2	40.9	13.2	14.3
9/20/26 - 0215	40.5	35.2	46	21.3	33.6	6.6	9.1	NE \| 37	NNE \| 26	9.4	11.4	40.4	40.9	13.2	14.3
9/20/26 - 0200	40.6	35.3	46	21.3	33.6	6.3	8.8	NE \| 38	NNE \| 27	9.5	11.2	40.4	40.9	13.2	14.3
9/20/26 - 0145	40.5	35.0	46	21.3	33.6	7.2	9.4	NE \| 36	NNE \| 26	9.8	11.6	40.4	40.9	13.2	14.3
9/20/26 - 0130	40.8	34.6	45	21.3	33.8	7.6	10.0	NE \| 47	NE \| 34	12.2	13.0	40.7	40.9	13.2	14.3
9/20/26 - 0115	40.8	34.1	45	21.3	33.7	9.0	11.4	NNE \| 31	NNE \| 24	13.2	14.3	40.7	40.9	13.2	14.3
9/20/26 - 0100	40.8	33.0	46	21.4	33.8	11.8	14.2	NNE \| 26	NNE \| 20	17.3	18.1	35.5	52.7	27.3	26.4
9/20/26 - 0045	41.0	33.0	45	21.5	33.9	12.9	15.3	NNE \| 26	NNE \| 19	17.8	18.6	35.5	52.7	27.3	26.4
9/20/26 - 0030	41.2	32.5	45	21.6	34.0	15.3	18.2	NNE \| 23	NNE \| 15	21.3	21.7	35.5	52.7	27.3	26.4
9/20/26 - 0015	41.4	32.6	45	21.5	34.1	16.1	18.6	NNE \| 19	N \| 10	21.7	21.7	35.5	52.7	27.3	26.4
9/20/26 - 0000	41.6	33.2	44	21.4	34.3	15.4	18.3	NNE \| 20	N \| 11	20.2	21.2	35.5	52.7	27.3	26.4
9/19/26 - 2345	41.8	33.4	44	21.4	34.4	15.0	17.8	NNE \| 25	NNE \| 17	20.1	21.2	35.5	52.7	27.3	26.4
9/19/26 - 2330	41.8	33.4	44	21.4	34.4	15.4	18.1	NNE \| 23	NNE \| 15	20.2	21.2	35.5	52.7	27.3	26.4
9/19/26 - 2315	42.0	33.6	43	21.3	34.5	15.4	17.9	NNE \| 25	NNE \| 18	20.5	20.4	35.5	52.7	27.3	26.4
9/19/26 - 2300	42.3	34.3	43	21.3	34.6	14.6	17.1	NNE \| 26	NNE \| 18	18.5	20.8	35.5	52.7	27.3	26.4
9/19/26 - 2245	42.2	33.8	43	21.5	34.6	14.8	16.8	NE \| 34	NNE \| 26	19.9	19.0	35.5	52.7	27.3	26.4
9/19/26 - 2230	42.6	34.0	42	20.9	34.7	17.0	18.0	NE \| 43	NE \| 34	21.8	21.2	35.5	52.7	27.3	26.4
9/19/26 - 2215	42.6	33.9	42	21.2	34.7	17.2	18.0	NE \| 41	NNE \| 32	22.4	21.7	35.5	52.7	27.3	26.4
9/19/26 - 2200	42.7	33.6	41	20.6	34.6	18.4	18.8	NE \| 40	NNE \| 31	24.9	23.0	35.5	52.7	27.3	26.4
9/19/26 - 2145	43.0	33.7	39	19.5	34.6	19.7	20.6	NE \| 34	NNE \| 25	27.3	23.3	35.5	52.7	27.3	26.4
9/19/26 - 2130	43.1	34.2	38	19.0	34.5	18.7	18.9	NE \| 37	NNE \| 27	24.5	21.5	35.5	52.7	26.8	26.4
9/19/26 - 2115	43.6	34.8	38	19.8	35.0	18.8	19.4	NE \| 41	NNE \| 32	24.6	22.6	35.5	52.7	26.8	26.4
9/19/26 - 2100	44.1	35.2	39	20.8	35.5	20.4	20.6	NE \| 43	NE \| 34	25.5	23.3	35.5	52.7	26.8	26.4
9/19/26 - 2045	44.4	35.9	39	21.2	35.8	19.1	19.9	NE \| 44	NE \| 35	24.7	22.4	35.5	52.7	26.8	26.4
9/19/26 - 2030	44.8	36.3	40	21.7	36.2	18.5	18.7	NE \| 42	NNE \| 32	26.8	26.4	35.5	52.7	26.8	26.4
9/19/26 - 2015	45.3	37.9	39	21.7	36.4	15.1	15.7	NE \| 43	NE \| 34	20.6	19.5	35.5	52.7	26.4	26.4
9/19/26 - 2000	45.4	40.2	43	24.3	37.2	7.7	9.4	NE \| 50	NE \| 35	12.7	13.4	35.5	52.7	26.4	26.4
9/19/26 - 1945	45.8	42.2	43	24.7	37.5	5.4	7.8	ENE \| 57	NE \| 37	8.2	9.8	35.5	52.7	26.4	26.4
9/19/26 - 1930	46.3	42.0	43	24.8	37.8	6.8	8.7	NE \| 51	NE \| 40	10.3	11.2	35.5	52.7	26.4	26.4
9/19/26 - 1915	46.7	42.6	43	25.4	38.2	6.1	8.8	NE \| 35	NNE \| 24	10.6	11.9	35.5	52.7	26.4	26.4
9/19/26 - 1900	47.6	46.4	42	25.4	38.6	2.6	6.4	NNE \| 13	N \| 10	4.6	9.2	35.5	52.7	26.4	26.4
9/19/26 - 1845	49.4	-	41	26.4	39.9	0.2	3.9	WNW \| 294	W \| 264	0.8	8.0	35.5	52.7	26.4	26.4
9/19/26 - 1830	49.4	48.8	40	26.3	39.9	0.9	4.1	WSW \| 239	SW \| 226	5.4	11.0	35.5	52.7	26.4	26.4
9/19/26 - 1815	50.6	-	39	26.6	40.6	2.9	6.6	SW \| 220	SW \| 215	9.1	11.6	35.5	52.7	26.4	26.4
9/19/26 - 1800	50.7	-	39	26.5	40.6	6.8	9.8	SW \| 218	SSW \| 210	11.7	15.4	35.5	52.7	26.4	26.4
9/19/26 - 1745	51.2	-	38	26.5	40.8	7.4	10.0	SW \| 217	SSW \| 210	14.5	16.3	35.5	52.7	26.4	26.4
9/19/26 - 1730	51.9	-	37	26.2	41.1	7.9	10.6	SW \| 219	SSW \| 213	14.4	16.6	35.5	52.7	26.4	26.4
9/19/26 - 1715	51.4	-	37	25.9	40.8	8.8	11.3	SW \| 218	SSW \| 212	15.0	19.7	35.5	52.2	26.4	26.4
9/19/26 - 1700	51.4	-	36	25.7	40.7	11.8	13.5	SW \| 216	SSW \| 210	19.7	21.9	35.5	52.2	26.4	26.4
9/19/26 - 1645	51.3	-	36	25.3	40.5	13.0	14.9	SW \| 218	SSW \| 211	22.0	23.7	35.5	52.2	26.4	26.4
9/19/26 - 1630	50.9	-	35	24.5	40.1	14.4	16.0	SW \| 216	SSW \| 210	23.2	22.6	35.5	52.2	26.4	26.4
9/19/26 - 1615	51.2	-	34	23.9	40.1	14.0	16.2	SW \| 222	SW \| 215	24.2	26.0	35.5	52.2	26.4	26.4
9/19/26 - 1600	51.5	-	33	23.2	40.0	14.5	16.2	SW \| 218	SSW \| 211	24.4	25.5	35.5	52.2	26.4	26.4
9/19/26 - 1545	50.8	-	33	22.7	39.5	14.5	15.8	SW \| 218	SSW \| 211	24.6	25.7	35.5	51.8	26.4	26.4
9/19/26 - 1530	51.1	-	32	22.6	39.7	14.6	15.8	SW \| 220	SSW \| 213	26.4	26.4	35.5	51.8	26.4	26.4
9/19/26 - 1515	50.6	-	33	22.7	39.4	11.2	12.7	WSW \| 238	SW \| 231	25.0	24.2	35.5	51.4	25.0	24.2
9/19/26 - 1500	50.6	-	33	22.9	39.5	10.3	12.1	SW \| 235	SW \| 232	22.4	23.3	35.5	51.4	22.4	23.3
9/19/26 - 1445	50.7	-	33	22.9	39.6	9.7	11.3	SW \| 232	SW \| 226	18.4	23.3	35.5	51.4	18.4	23.3
9/19/26 - 1430	50.8	-	34	23.2	39.7	10.6	12.0	SW \| 224	SW \| 218	17.9	19.7	35.5	51.4	18.1	19.9
9/19/26 - 1415	49.7	44.9	38	24.9	39.6	9.2	10.9	SW \| 221	SW \| 215	15.9	19.9	35.5	50.3	18.1	19.9
9/19/26 - 1400	49.0	46.1	39	25.4	39.4	2.9	7.4	SW \| 229	SW \| 231	10.9	16.3	35.5	49.9	18.1	18.8
9/19/26 - 1345	48.2	44.7	40	25.0	38.9	3.2	6.7	E \| 83	SSW \| 202	12.3	14.5	35.5	49.0	18.1	18.8
9/19/26 - 1330	48.5	45.4	40	25.1	39.1	2.2	6.3	NE \| 50	NE \| 43	11.9	13.2	35.5	48.9	18.1	18.8
9/19/26 - 1315	47.4	44.2	41	24.9	38.4	3.2	7.6	NE \| 37	NNE \| 30	10.3	13.0	35.5	48.5	18.1	18.8
9/19/26 - 1300	46.6	42.2	43	25.2	38.0	3.9	7.4	NE \| 34	NNE \| 21	13.7	13.6	35.5	47.3	18.1	18.8
9/19/26 - 1245	45.3	39.7	44	24.6	37.2	8.6	10.0	NNE \| 33	NNE \| 25	14.0	14.1	35.5	46.2	18.1	18.8
9/19/26 - 1230	45.2	38.8	44	24.3	37.0	9.5	11.1	NNE \| 30	NNE \| 20	18.1	17.0	35.5	46.2	18.1	18.8
9/19/26 - 1215	45.5	39.2	45	25.4	37.6	10.0	11.6	NE \| 55	NE \| 43	17.6	18.8	35.5	46.0	17.6	18.8
9/19/26 - 1200	44.8	39.8	47	26.0	37.3	4.0	9.5	ENE \| 64	NE \| 53	15.0	13.9	35.5	45.2	15.0	17.9
9/19/26 - 1145	44.0	39.6	50	26.4	37.0	4.3	8.6	NE \| 56	NE \| 46	10.8	12.5	35.5	44.8	13.2	17.9
9/19/26 - 1130	43.6	41.4	50	26.4	36.8	1.8	8.1	ENE \| 58	NE \| 48	6.3	13.2	35.5	44.3	13.2	17.9
9/19/26 - 1115	42.8	38.0	52	26.4	36.4	3.1	7.8	NE \| 52	NE \| 42	13.2	13.9	35.5	44.3	13.2	17.9
9/19/26 - 1100	43.1	-	51	26.2	36.5	0.4	4.8	NE \| 49	NE \| 47	1.8	9.6	35.5	44.3	10.6	17.9
9/19/26 - 1045	43.2	-	51	26.1	36.5	0.3	4.9	E \| 79	ENE \| 65	1.4	10.3	35.5	44.3	10.6	17.9
9/19/26 - 1030	43.1	-	50	25.8	36.4	0.3	5.3	ENE \| 76	ENE \| 74	1.5	10.1	35.5	44.3	10.6	17.9
9/19/26 - 1015	43.0	-	47	24.2	35.8	0.5	6.7	SSE \| 168	SSE \| 153	2.9	15.9	35.5	44.3	10.6	17.9
9/19/26 - 1000	42.0	38.4	47	23.2	35.0	3.1	8.1	S \| 186	S \| 183	7.9	17.2	35.5	44.3	10.6	17.9
9/19/26 - 0945	42.6	-	47	24.0	35.5	1.4	7.7	S \| 177	SSE \| 164	4.4	17.9	35.5	44.3	10.6	17.9
9/19/26 - 0930	43.4	41.1	39	20.2	35.0	1.6	7.8	S \| 181	S \| 170	6.9	15.7	35.5	44.3	10.6	16.3
9/19/26 - 0915	43.1	-	40	20.6	34.9	0.2	6.4	S \| 189	SSE \| 167	0.2	16.3	35.5	44.3	10.6	16.3
9/19/26 - 0900	42.9	-	38	19.2	34.4	0.5	6.5	SSW \| 193	S \| 183	2.2	11.4	35.5	44.3	10.6	13.2
9/19/26 - 0845	42.6	-	37	18.0	34.0	1.2	6.7	S \| 191	SSW \| 196	3.1	11.2	35.5	44.3	10.6	13.2
9/19/26 - 0830	42.6	-	37	18.1	34.0	0.7	6.1	SSW \| 204	S \| 191	2.3	11.9	35.5	44.3	10.6	13.2
9/19/26 - 0815	42.5	-	39	19.5	34.3	0.6	5.7	SSW \| 204	SSW \| 200	1.7	11.6	35.5	44.3	10.6	13.2
9/19/26 - 0800	43.8	40.3	37	19.4	35.0	3.9	7.6	SSW \| 204	SSW \| 207	8.0	9.4	35.5	44.3	10.6	13.2
9/19/26 - 0745	42.6	39.9	38	18.8	34.2	3.5	8.0	SSW \| 203	SSW \| 207	5.7	9.4	35.5	43.8	10.6	13.2
9/19/26 - 0730	41.8	38.4	38	18.2	33.5	3.4	7.4	SSW \| 203	SSW \| 194	7.0	9.2	35.5	42.7	10.6	13.2
9/19/26 - 0715	42.1	39.3	37	17.6	33.6	2.3	7.7	SSW \| 204	SSW \| 196	6.8	9.8	35.5	42.7	10.6	13.2
9/19/26 - 0700	40.1	-	40	17.5	32.4	1.3	6.3	SSW \| 204	SSW \| 201	2.0	8.0	35.5	42.7	10.6	13.2
9/19/26 - 0645	37.7	-	45	18.0	31.1	1.6	6.2	SSW \| 204	SSW \| 203	3.6	8.5	35.5	42.7	10.6	13.2
9/19/26 - 0630	37.8	35.3	50	20.8	31.9	1.9	5.5	SSW \| 207	SSW \| 202	5.2	11.4	35.5	42.7	10.6	13.2
9/19/26 - 0615	39.9	34.8	39	16.9	32.1	5.7	7.7	SSW \| 212	SSW \| 209	8.9	10.5	38.8	42.7	10.6	13.2
9/19/26 - 0600	40.4	34.4	38	16.5	32.3	8.0	9.7	SW \| 220	SSW \| 211	10.6	11.4	38.8	42.7	10.6	13.2
9/19/26 - 0545	40.3	35.4	37	16.2	32.2	4.3	8.1	SW \| 219	SW \| 214	9.7	10.7	38.8	42.7	10.0	13.2
9/19/26 - 0530	40.3	35.4	37	15.9	32.1	5.2	7.8	SW \| 217	SSW \| 213	9.1	11.0	38.8	42.7	10.0	13.2
9/19/26 - 0515	40.2	35.5	37	15.9	32.1	4.5	8.2	SW \| 218	SW \| 218	9.1	12.3	38.8	42.7	10.0	13.2
9/19/26 - 0500	40.2	38.5	36	15.5	32.0	1.7	6.4	SW \| 225	SSW \| 212	4.5	9.2	38.8	42.7	10.0	13.2
9/19/26 - 0445	40.4	37.0	36	15.3	32.1	3.1	6.3	SW \| 228	SW \| 221	6.6	11.0	38.8	42.7	10.0	13.2
9/19/26 - 0430	40.9	36.2	34	15.0	32.3	5.7	8.8	SW \| 235	SW \| 223	8.7	13.2	38.8	42.7	10.0	13.2
9/19/26 - 0415	40.6	35.5	34	14.7	32.1	5.5	9.3	WSW \| 238	SW \| 227	10.0	13.2	38.8	42.7	10.0	13.2
9/19/26 - 0400	40.4	35.5	35	14.7	32.0	5.9	8.5	SW \| 226	SW \| 221	8.6	13.0	38.8	42.7	8.6	13.0
Max	51.9	48.8	52	26.6	41.1	20.4	20.6	-	-	27.3	26.4	40.7	52.7	27.3	26.4
Avg	44.3	37.6	41	21.9	35.9	7.6	10.6	-	-	12.8	15.6	-	-	-	-
Min	37.7	32.5	32	14.7	31.1	0.2	3.9	-	-	0.2	8.0	35.5	40.9	8.6	13.0

Calm: 0.0%

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