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 9/18/26 2:51 PM PDT

Date & Time	Wind Spd (mph)	Wind Dir (°)	Wind Gust (mph)	Wind Spd Sonic (mph)	Wind Dir Sonic (°)	Wind Gust Sonic (mph)
9/18/26 - 1450	9.6	SW \| 215	15.4	11.8	SSW \| 209	18.1
9/18/26 - 1445	5.2	SSW \| 200	14.2	9.1	SSW \| 192	17.0
9/18/26 - 1440	6.0	SW \| 234	12.2	9.9	SW \| 226	15.9
9/18/26 - 1435	0.8	WSW \| 256	4.9	6.7	WSW \| 248	12.5
9/18/26 - 1430	4.2	SW \| 233	9.2	8.4	SW \| 226	13.0
9/18/26 - 1425	9.3	SW \| 219	14.8	10.9	SW \| 214	17.7
Max	9.6	-	15.4	11.8	-	18.1
Avg	5.8	-	11.8	9.5	-	15.7
Min	0.8	-	4.9	6.7	-	12.5

Top Stn/Summit - 11,053ft

Current Conditions

9/18/26 2:45 PM (-07:00)

Updated Every 15 Minutes

Wind Spd	4.0 mph 24.1
Wind Spd Sonic	8.6 mph 18.5
Wind Dir	SW \| 229 °
Wind Dir Sonic	SW \| 220 °
Wind Gust	14.2 mph 25.4
Wind Gust Sonic	17.0 mph 24.2
Temp	48.5 °F 5.5
WindChill	44.7 °F 12.8
RH	25 % 24
Dew Pt	13.9 °F 11.2
Wet Bulb	36.3 °F 0.2
Daily Max Wind	35.4 mph 16.8
Time of Max Wind	0222
Max Wind Dir	SW \| 217 °
Daily Max Gust Sonic	34.0 mph 16.1
Time Wind Max Sonic	0224
Dir Max Gust Sonic	SW \| 215 Degrees
Daily Max Temp	49.8 °F 6.2
Daily Min Temp	29.8 °F 0.6
Yest MaxT	43.6 °F
Yest MinT	29.2 °F
Yest MaxGst	52.2 mph

Last 24 Hours

Top Stn/Summit - 11,053ft

15 Minute Data | America/Los_Angeles

as of 9/18/26 2:51 PM 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)
9/18/26 - 1445	48.5	44.7	25	13.9	36.3	4.0	8.6	SW \| 229	SW \| 220	14.2	17.0	29.8	49.8	35.4	34.0
9/18/26 - 1430	48.9	44.5	23	12.8	36.3	6.5	9.6	SW \| 227	SW \| 220	14.8	17.7	29.8	49.8	35.4	34.0
9/18/26 - 1415	48.5	45.3	23	12.3	36.0	2.8	7.4	SW \| 219	SSW \| 212	11.4	15.0	29.8	49.8	35.4	34.0
9/18/26 - 1400	48.0	45.1	21	10.4	35.4	2.9	7.8	SW \| 230	SW \| 230	10.0	15.4	29.8	48.9	35.4	34.0
9/18/26 - 1345	48.1	44.9	20	9.2	35.2	2.8	7.1	SSW \| 206	SSW \| 199	11.1	14.3	29.8	48.9	35.4	34.0
9/18/26 - 1330	47.7	43.4	20	8.9	35.0	6.5	8.9	SSW \| 209	SSW \| 203	12.0	17.9	29.8	48.2	35.4	34.0
9/18/26 - 1315	47.4	41.4	20	8.5	34.8	9.3	11.1	SW \| 214	SSW \| 207	20.0	21.7	29.8	48.0	35.4	34.0
9/18/26 - 1300	47.1	44.5	21	8.7	34.6	2.0	8.6	S \| 183	S \| 176	9.2	16.8	29.8	47.9	35.4	34.0
9/18/26 - 1245	46.3	-	20	7.2	34.0	0.9	6.7	SW \| 222	SW \| 217	4.4	13.0	29.8	47.1	35.4	34.0
9/18/26 - 1230	45.6	40.9	22	8.4	33.8	4.5	8.8	SW \| 226	SW \| 219	14.2	16.8	29.8	46.3	35.4	34.0
9/18/26 - 1215	44.7	41.5	24	9.8	33.5	2.0	7.4	SW \| 236	SW \| 233	9.4	12.8	29.8	45.2	35.4	34.0
9/18/26 - 1200	44.4	42.8	24	9.6	33.3	0.8	5.5	SW \| 233	WSW \| 242	6.3	12.1	29.8	44.8	35.4	34.0
9/18/26 - 1145	44.3	42.0	22	7.7	32.9	1.1	6.5	SSW \| 212	SSW \| 202	7.6	13.2	29.8	44.5	35.4	34.0
9/18/26 - 1130	43.9	-	23	8.4	32.8	0.5	5.7	SW \| 225	SW \| 214	2.8	12.5	29.8	44.1	35.4	34.0
9/18/26 - 1115	43.4	-	22	6.9	32.3	0.2	4.1	SW \| 231	SW \| 214	0.2	11.0	29.8	43.6	35.4	34.0
9/18/26 - 1100	43.0	-	19	3.7	31.6	0.3	5.0	S \| 185	S \| 174	2.1	13.9	29.8	43.3	35.4	34.0
9/18/26 - 1045	41.9	38.3	21	5.3	31.2	2.4	6.6	SSW \| 199	S \| 191	8.7	13.4	29.8	42.5	35.4	34.0
9/18/26 - 1030	40.9	35.0	20	2.9	30.2	6.2	8.8	SSW \| 201	SSW \| 194	12.6	16.3	29.8	41.4	35.4	34.0
9/18/26 - 1015	40.1	32.9	22	4.3	29.9	9.2	11.0	SSW \| 201	SSW \| 193	15.3	16.6	29.8	40.7	35.4	34.0
9/18/26 - 1000	39.4	31.7	23	5.1	29.6	10.2	12.2	SSW \| 203	SSW \| 195	16.1	15.9	29.8	39.8	35.4	34.0
9/18/26 - 0945	38.6	29.9	23	4.1	29.0	12.5	14.6	SSW \| 205	SSW \| 198	18.8	18.1	29.8	39.2	35.4	34.0
9/18/26 - 0930	38.0	28.5	24	4.7	28.7	14.9	16.6	SSW \| 204	SSW \| 195	20.1	19.9	29.8	38.4	35.4	34.0
9/18/26 - 0915	37.2	27.2	24	3.4	28.0	16.6	18.7	SSW \| 206	SSW \| 198	20.8	20.6	29.8	37.8	35.4	34.0
9/18/26 - 0900	36.1	25.6	25	3.6	27.4	16.6	19.2	SSW \| 209	SSW \| 201	21.5	21.2	29.8	36.7	35.4	34.0
9/18/26 - 0845	35.8	25.2	25	3.5	27.1	16.9	19.4	SSW \| 213	SSW \| 205	20.8	20.8	29.8	36.0	35.4	34.0
9/18/26 - 0830	35.6	24.9	24	2.1	26.8	17.1	20.1	SSW \| 212	SSW \| 206	21.1	21.9	29.8	35.9	35.4	34.0
9/18/26 - 0815	35.0	23.4	21	-1.2	26.0	19.0	21.9	SW \| 215	SSW \| 209	24.8	24.6	29.8	35.3	35.4	34.0
9/18/26 - 0800	34.8	22.5	20	-2.5	25.8	21.6	24.2	SW \| 215	SSW \| 208	28.3	27.5	29.8	35.2	35.4	34.0
9/18/26 - 0745	34.2	21.1	19	-3.7	25.2	24.4	28.0	SW \| 215	SSW \| 208	30.2	30.2	29.8	34.6	35.4	34.0
9/18/26 - 0730	33.2	19.8	23	-0.9	24.9	23.6	27.6	SW \| 215	SSW \| 208	29.9	29.5	29.8	33.7	35.4	34.0
9/18/26 - 0715	32.4	18.8	26	1.3	24.7	24.0	27.2	SW \| 217	SSW \| 210	29.1	29.3	29.8	32.9	35.4	34.0
9/18/26 - 0700	31.6	17.8	27	1.3	24.1	23.5	27.0	SW \| 218	SSW \| 212	29.4	29.5	29.8	32.0	35.4	34.0
9/18/26 - 0645	31.3	17.3	27	0.9	23.9	24.2	27.7	SW \| 215	SSW \| 208	30.1	29.5	29.8	32.0	35.4	34.0
9/18/26 - 0630	31.5	17.6	26	0.1	23.9	24.0	26.2	SW \| 216	SSW \| 209	29.5	28.2	29.8	32.0	35.4	34.0
9/18/26 - 0615	31.7	17.9	25	-0.2	24.0	22.8	25.1	SW \| 216	SSW \| 209	29.9	28.4	29.8	32.0	35.4	34.0
9/18/26 - 0600	31.6	17.7	24	-0.7	23.9	24.1	26.4	SW \| 217	SSW \| 209	29.8	28.9	29.8	32.0	35.4	34.0
9/18/26 - 0545	31.4	17.6	24	-1.2	23.7	23.5	25.7	SW \| 219	SSW \| 212	29.0	28.4	29.8	32.0	35.4	34.0
9/18/26 - 0530	31.5	17.7	23	-1.7	23.7	23.1	24.6	SW \| 221	SW \| 214	29.3	27.3	29.8	32.0	35.4	34.0
9/18/26 - 0515	31.4	17.3	23	-2.0	23.6	24.6	26.4	SW \| 219	SSW \| 211	30.5	28.4	29.8	31.6	35.4	34.0
9/18/26 - 0500	31.1	17.3	23	-2.2	23.4	22.8	24.5	SW \| 221	SW \| 214	28.2	27.1	29.8	31.5	35.4	34.0
9/18/26 - 0445	31.1	17.6	24	-1.1	23.5	21.6	23.7	SW \| 220	SSW \| 213	27.2	25.5	29.8	31.5	35.4	34.0
9/18/26 - 0430	30.6	17.2	32	4.3	23.9	20.7	21.8	SW \| 221	SW \| 214	26.1	24.2	29.8	31.5	35.4	34.0
9/18/26 - 0415	30.2	16.7	42	9.8	24.6	21.0	22.0	SW \| 225	SW \| 218	25.9	23.7	29.8	31.5	35.4	34.0
9/18/26 - 0400	30.1	16.3	46	11.6	24.8	22.0	23.0	SW \| 225	SW \| 218	26.8	24.4	29.8	31.5	35.4	34.0
9/18/26 - 0345	30.2	16.4	50	13.7	25.3	22.0	22.5	SW \| 226	SW \| 218	26.9	23.9	29.8	31.5	35.4	34.0
9/18/26 - 0330	30.1	15.9	55	15.9	25.7	23.1	24.2	SW \| 224	SW \| 216	28.9	27.1	29.8	31.5	35.4	34.0
9/18/26 - 0315	30.2	16.0	63	19.1	26.6	23.6	24.5	SW \| 227	SW \| 219	29.3	27.3	30.1	31.5	35.4	34.0
9/18/26 - 0300	30.4	15.9	60	18.0	26.5	24.5	25.4	SW \| 226	SW \| 218	31.0	29.1	30.1	31.5	35.4	34.0
9/18/26 - 0245	30.4	15.0	59	17.7	26.4	28.6	31.2	SW \| 217	SSW \| 211	35.3	34.0	30.2	31.5	35.4	34.0
9/18/26 - 0230	30.8	15.4	55	16.5	26.3	29.3	31.4	SW \| 219	SSW \| 212	35.4	34.0	30.4	31.5	35.4	34.0
9/18/26 - 0215	31.1	16.3	54	16.4	26.5	27.5	29.0	SW \| 224	SW \| 216	33.5	31.5	30.4	31.5	34.8	32.9
9/18/26 - 0200	31.0	16.4	63	20.0	27.4	26.0	26.7	SW \| 227	SW \| 219	32.9	30.6	30.4	31.5	34.8	32.9
9/18/26 - 0145	30.8	16.1	72	22.8	28.0	25.9	27.1	SW \| 229	SW \| 220	32.3	31.1	30.4	31.5	34.8	32.9
9/18/26 - 0130	31.2	16.4	73	23.4	28.5	26.8	27.8	SW \| 224	SW \| 216	34.8	32.9	30.9	31.5	34.8	32.9
9/18/26 - 0115	31.1	16.5	77	24.9	28.8	26.0	27.0	SW \| 225	SW \| 217	32.8	30.6	30.9	31.4	32.8	30.6
9/18/26 - 0100	31.5	17.1	76	24.9	29.1	25.2	26.3	SW \| 228	SW \| 220	32.5	30.2	29.2	43.6	52.2	50.1
9/18/26 - 0045	31.8	17.4	74	24.5	29.2	25.2	25.7	SW \| 226	SW \| 218	33.3	30.2	29.2	43.6	52.2	50.1
9/18/26 - 0030	31.5	17.1	75	24.5	29.0	25.9	27.3	SW \| 227	SW \| 218	32.8	30.6	29.2	43.6	52.2	50.1
9/18/26 - 0015	31.1	16.6	79	25.2	28.9	25.0	26.3	SW \| 226	SW \| 218	32.5	29.8	29.2	43.6	52.2	50.1
9/18/26 - 0000	30.7	16.0	81	25.5	28.8	26.4	28.6	SW \| 222	SW \| 214	32.8	31.5	29.2	43.6	52.2	50.1
9/17/26 - 2345	30.9	15.6	79	25.2	28.8	28.7	30.9	SW \| 218	SSW \| 212	36.5	33.6	29.2	43.6	52.2	50.1
9/17/26 - 2330	31.2	16.0	79	25.3	29.1	29.5	32.1	SW \| 216	SSW \| 210	36.1	35.3	29.2	43.6	52.2	50.1
9/17/26 - 2315	30.9	15.6	83	26.4	29.2	29.3	32.0	SW \| 217	SSW \| 211	36.0	34.0	29.2	43.6	52.2	50.1
9/17/26 - 2300	30.6	15.1	89	27.8	29.5	29.8	32.5	SW \| 218	SSW \| 212	36.4	34.9	29.2	43.6	52.2	50.1
9/17/26 - 2245	30.7	15.4	93	28.9	29.9	28.6	31.2	SW \| 218	SSW \| 211	35.2	33.8	29.2	43.6	52.2	50.1
9/17/26 - 2230	31.2	16.7	92	29.2	30.4	25.9	28.6	SW \| 218	SSW \| 211	32.1	31.3	29.2	43.6	52.2	50.1
9/17/26 - 2215	31.4	17.2	92	29.5	30.6	25.2	28.1	SW \| 216	SSW \| 208	31.7	30.0	29.2	43.6	52.2	50.1
9/17/26 - 2200	31.1	16.8	93	29.4	30.4	25.0	27.8	SW \| 216	SSW \| 208	31.1	30.2	29.2	43.6	52.2	50.1
9/17/26 - 2145	31.2	17.4	92	29.2	30.3	23.3	25.4	SW \| 219	SSW \| 212	28.6	28.4	29.2	43.6	52.2	50.1
9/17/26 - 2130	31.2	17.2	91	28.9	30.3	23.9	25.8	SW \| 218	SSW \| 210	30.3	28.4	29.2	43.6	52.2	50.1
9/17/26 - 2115	31.5	17.5	91	29.2	30.6	24.3	26.1	SW \| 218	SSW \| 210	30.3	29.1	29.2	43.6	52.2	50.1
9/17/26 - 2100	32.0	18.2	88	29.0	30.8	23.9	26.5	SW \| 215	SSW \| 208	31.0	29.5	29.2	43.6	52.2	50.1
9/17/26 - 2045	32.7	19.4	86	28.9	31.2	23.6	25.8	SW \| 214	SSW \| 206	29.1	28.4	29.2	43.6	52.2	50.1
9/17/26 - 2030	32.8	19.3	86	29.2	31.4	23.6	26.3	SSW \| 213	SSW \| 205	30.0	28.6	29.2	43.6	52.2	50.1
9/17/26 - 2015	32.7	19.3	90	30.0	31.6	23.5	25.4	SW \| 214	SSW \| 207	29.9	28.9	29.2	43.6	52.2	50.1
9/17/26 - 2000	32.8	19.5	93	31.0	32.0	22.9	24.8	SW \| 215	SSW \| 207	29.3	28.0	29.2	43.6	52.2	50.1
9/17/26 - 1945	33.2	20.2	93	31.4	32.4	21.4	22.4	SW \| 218	SSW \| 211	28.7	26.2	29.2	43.6	52.2	50.1
9/17/26 - 1930	33.6	20.3	93	31.6	32.8	23.7	24.6	SW \| 219	SSW \| 211	30.8	27.7	29.2	43.6	52.2	50.1
9/17/26 - 1915	34.0	20.6	92	31.8	33.1	24.8	26.2	SW \| 218	SSW \| 210	32.1	30.2	29.2	43.6	52.2	50.1
9/17/26 - 1900	35.0	21.8	90	32.4	34.0	26.0	27.4	SW \| 222	SSW \| 213	33.2	30.6	29.2	43.6	52.2	50.1
9/17/26 - 1845	36.0	23.3	88	32.8	34.7	24.7	25.5	SW \| 221	SSW \| 213	32.2	29.5	29.2	43.6	52.2	50.1
9/17/26 - 1830	37.3	25.8	82	32.2	35.3	21.8	22.5	SW \| 224	SW \| 217	28.8	26.6	29.2	43.6	52.2	50.1
9/17/26 - 1815	38.2	27.2	76	31.4	35.5	19.6	20.1	SW \| 232	SW \| 225	28.0	28.6	29.2	43.6	52.2	50.1
9/17/26 - 1800	39.3	28.5	71	30.8	35.9	20.8	20.8	SW \| 230	SW \| 230	28.5	30.9	29.2	43.6	52.2	50.1
9/17/26 - 1745	39.6	28.6	69	30.2	35.9	21.3	21.1	SW \| 232	SW \| 229	31.8	30.2	29.2	43.6	52.2	50.1
9/17/26 - 1730	40.0	28.7	67	29.8	35.9	21.8	21.4	SW \| 233	SW \| 232	35.3	34.4	29.2	43.6	52.2	50.1
9/17/26 - 1715	40.3	29.2	65	29.6	36.0	23.1	22.6	SW \| 232	SW \| 231	33.1	35.8	29.2	43.6	52.2	50.1
9/17/26 - 1700	40.6	29.7	65	29.7	36.3	21.4	21.0	SW \| 233	SW \| 234	34.3	35.8	29.2	43.6	52.2	50.1
9/17/26 - 1645	41.1	30.1	63	29.4	36.4	23.7	23.0	SW \| 230	SW \| 229	35.5	38.0	29.2	43.6	52.2	50.1
9/17/26 - 1630	41.0	29.8	62	29.1	36.3	23.2	22.8	SW \| 233	SW \| 235	37.8	38.0	29.2	43.6	52.2	50.1
9/17/26 - 1615	41.6	30.2	57	27.6	36.1	25.2	25.0	SW \| 229	SW \| 228	39.2	38.2	29.2	43.6	52.2	50.1
9/17/26 - 1600	42.0	30.6	56	27.5	36.3	27.8	27.6	SW \| 227	SW \| 222	38.4	38.5	29.2	43.6	52.2	50.1
9/17/26 - 1545	42.0	30.7	56	27.5	36.3	25.4	24.9	SW \| 229	SW \| 229	41.4	40.0	29.2	43.6	52.2	50.1
9/17/26 - 1530	42.3	30.9	54	26.9	36.3	28.1	27.6	SW \| 228	SW \| 225	41.2	43.4	29.2	43.6	52.2	50.1
9/17/26 - 1515	42.5	31.1	52	26.3	36.2	27.6	26.9	SW \| 228	SW \| 228	41.5	41.4	29.2	43.6	52.2	50.1
9/17/26 - 1500	42.5	31.1	51	25.8	36.0	29.6	29.4	SW \| 228	SW \| 222	40.9	39.8	29.2	43.6	52.2	50.1
9/17/26 - 1445	43.0	31.9	49	25.1	36.1	28.0	27.0	SW \| 225	SW \| 225	39.7	41.2	29.2	43.6	52.2	50.1
Max	48.9	45.3	93	32.8	36.4	29.8	32.5	-	-	41.5	43.4	30.9	49.8	52.2	50.1
Avg	36.3	24.4	51	16.6	30.4	19.7	21.7	-	-	26.8	27.0	-	-	-	-
Min	30.1	15.0	19	-3.7	23.4	0.2	4.1	-	-	0.2	11.0	29.2	31.4	32.8	30.6

Calm: 0.0%

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