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Latest Observation

22 Stations

15 Minute Data | America/Los_Angeles
as of 5/20/26 3:18 AM PDT
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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 0315 9.4   3.4 N | 350 12.8   4.1 30.5   9.2 21.3   13.4 38   20 7.8   1.0 24.4   6.2 24.6   3.2 0128 N | 350 29.5   8.4 30.8   9.1 36.9 21.1 40.2
Gondola2 Twr10 - 10,999ft 5/20/26 0315 4.9   2.0 SSE | 153 6.0   2.2 - - - - - 10.6   2.7 0141 SSE | 160 - - 15.7 - -
Gondola2 Twr8 - 10,506ft 5/20/26 0315 3.7   1.9 NNE | 33 5.2   2.7 - - - - - 9.5   4.4 0139 NNE | 26 - - 20.2 - -
Top of 22 - 10,067ft 5/20/26 0315 5.5   2.2 W | 272 8.0   1.8 32.7   7.3 27.5   10.5 40   13 11.0   0.3 26.4   5.0 14.7   5.0 0227 N | 11 32.5   7.2 33.9   7.7 23.6 24.9 57.2
Chair 1 Top - 9,875ft 5/20/26 0315 0.1   1.7 ENE | 57 1.7   4.8 - - - - - 8.2   5.2 0127 NNE | 23 - - 37.0 - -
Top of 3 - 10,489ft 5/20/26 0315 - - - 32.0   9.0 - 35   18 7.7   1.1 25.4   6.0 - - - 31.2   8.2 32.3   8.7 - 22.7 43.2
Chair 9 Twr15 - 9,846ft 5/20/26 0315 1.8   2.2 NW | 305 4.1   3.5 - - - - - 6.9   3.6 0215 NW | 314 - - 18.2 - -
Chair 9 Twr11 - 9,421ft 5/20/26 0300 6.3   1.3 ESE | 117 8.2   0.9 - - - - - 9.4   3.2 0140 SE | 127 - - 24.4 - -
Chair 10 Twr20 - 9,875ft 5/20/26 0315 1.0   0.1 ENE | 67 4.4   0.3 - - - - - 8.0   0.9 0221 ESE | 105 - - 21.8 - -
Chair 10 Twr17 - 9,601ft 5/20/26 0315 0.9   0.7 WNW | 283 3.2   1.4 - - - - - 5.3   0.3 0204 SW | 225 - - 17.8 - -
Gondola1 Twr12 - 9,496ft 5/20/26 0315 1.3   0.6 ESE | 109 3.3   0.6 - - - - - 6.3   1.6 0145 NNE | 18 - - 19.2 - -
Gondola1 Twr6 - 9,259ft 5/20/26 0245 2.1   0.2 SW | 236 4.7   0.4 - - - - - 5.6   0.8 0213 SSW | 209 - - 18.9 - -
McCoy Stn - 9,630ft 5/20/26 0315 0.6   0.6 ESE | 120 5.6   4.1 32.6   7.9 - 43   13 12.3   1.2 26.6   5.6 18.0   14.5 0250 S | 176 31.6   7.3 34.6   6.3 18.6 24.2 46.4
Top of 15 - 9,047ft 5/20/26 0315 2.1   0.2 W | 279 3.6   0.0 35.0   8.0 - 29   13 6.2   1.0 27.1   5.1 4.5   0.6 0203 W | 266 34.2   7.6 37.0   8.5 15.9 26.3 51.8
Sesame - 9,014ft 5/20/26 0300 1.6   0.7 WSW | 252 2.7   1.6 33.2   5.0 - 41   8 12.0   0.5 25.4   3.1 9.2   1.8 1058 SE | 130 27.9   5.8 52.2   6.7 7.4 22.1 45.5
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 0300 5.9   1.4 NW | 307 6.7   1.3 33.2   5.3 27.7   5.0 40   9 11.3   0.5 26.8   3.6 8.3   0.9 0139 NW | 306 32.9   5.6 34.3   3.8 24.2 26.8 56.8
Canyon Lodge - 8,343ft 5/20/26 0315 0.6   0.3 SSW | 210 4.2   1.3 35.7   6.0 - 35   2 10.9   4.1 28.3   4.6 4.4   1.0 0145 SW | 224 35.1   5.8 38.0   5.5 17.7 28.6 55.1
Bottom of 15 (Little Eagle) - 8,107ft 5/20/26 0315 - - - 32.5   5.7 - 48   9 14.8   1.4 27.1   4.1 - - - 32.1   5.4 39.6   10.3 - 25.9 57.8
RMK Bottom of 9 - 8,726ft 5/20/26 0315 1.2   0.1 SW | 223 2.0   0.3 32.4   4.8 - 44   7 12.9   1.3 26.6   3.5 10.1   0.2 1522 NW | 322 27.5   6.2 55.9   7.5 10.2 21.3 48.4
June Mid Mtn Chalet - 8,689ft 5/20/26 0300 10.3   0.9 ESE | 113 12.5   1.6 30.9   4.6 22.2   5.2 46   8 12.6   0.6 25.6   3.2 15.2   2.7 0215 E | 98 30.4   4.1 32.7   4.7 24.2 25.0 55.4
June Base Tx Office - 7,581ft 5/20/26 0315 0.6   0.0 ENE | 73 2.2   0.4 30.2   3.7 - 53   5 15.1   1.5 25.7   3.0 4.7   1.6 0222 SSE | 160 29.7   3.8 33.3   4.9 17.9 24.3 59.4
Max     10.3 - 12.8 35.7 27.7 53 15.1 28.3 24.6 - - 35.1 55.9 37.0 28.6 59.4
Avg     3.2 - 5.3 32.6 24.7 41 11.2 26.3 - - - - - - - -
Min     0.1 - 1.7 30.2 21.3 29 6.2 24.4 4.4 - - 27.5 30.8 7.4 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 3:18 AM PDT
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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 0315 0.0 0.00 0 32.4   4.8 1.2   0.1 SW | 223 2.0   0.3 0.0 0.87 68.21
Sesame - 9,014ft 5/20/26 0300 0.1 0.00 0 33.2   5.0 1.6   0.7 WSW | 252 2.7   1.6 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]
Mammoth Patrol Weather Links Current Data Map