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Colour guide Temperature · Wind · Rain · Snow
Temperature °C< −10 / −10 / 0 / 10 / 20 / 30+
Wind km/h< 10 / 10 / 29 / 50 / 75+
Rain mm< 1 / 1 / 3 / 10 / 20+
Snow cm< 1 / 1 / 5 / 10 / 20+
Each colour starts at the value shown. Wind colours match across all three units. Dry cells stay neutral. Colours describe the displayed values, not official weather warnings.
Mammoth Mountain - Low lift station
ECMWF · Model run: Next update expected:
Day Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Thursday, 05/11 06:00 -0.1 63 1 0 0B E — — 1019 2856 Cloudy 62% cloud  09:00 -0.3 60 1 1 0B NW 0 0 1019 2860 Cloudy 62% cloud 12:00 -0.4 60 0 0 0B N 0 0 1019 2834 Overcast 89% cloud  15:00 -0.2 53 1 1 0B SW 0 0 1018 2763 Clear 2% cloud  18:00 7.2 38 6 3 2B N 0 0 1019 3114 Clear 0% cloud 21:00 8 33 9 5 2B N 0 0 1019 3113 Clear 0% cloud Friday, 06/11 00:00 5.4 45 6 3 2B NE 0 0 1020 3119 Clear 0% cloud 03:00 -0.5 59 4 2 1B NE 0 0 1023 3086 Clear 0% cloud 06:00 -1.1 43 3 2 1B NE 0 0 1024 3024 Clear 0% cloud 09:00 -1.4 37 1 1 1B NE 0 0 1023 2938 Clear 8% cloud 12:00 -1.4 34 2 1 1B NE 0 0 1023 2934 Clear 2% cloud 15:00 -0.3 34 2 1 1B NE 0 0 1024 2894 Clear 19% cloud 18:00 7.7 25 7 4 2B NE 0 0 1024 3155 Clear 2% cloud 21:00 9.8 24 8 4 2B NE 0 0 1022 3151 Cloudy 76% cloud Saturday, 07/11 00:00 7 35 6 3 2B N 0 0 1022 3152 Partly cloudy 30% cloud  03:00 1.7 48 5 3 1B NE 0 0 1024 3158 Clear 0% cloud 06:00 1.3 48 3 2 1B NE 0 0 1024 3162 Clear 0% cloud 09:00 1.2 47 1 1 1B NE 0 0 1023 3158 Clear 0% cloud 12:00 1.3 45 0 0 0B E 0 0 1023 3154 Clear 0% cloud 15:00 1.8 43 0 0 0B NE 0 0 1023 3161 Clear 0% cloud 18:00 10.9 23 1 1 1B E 0 0 1023 3167 Clear 9% cloud 21:00 13.5 24 1 1 1B SE 0 0 1020 3163 Clear 17% cloud Sunday, 08/11 00:00 10.2 40 1 1 1B S 0 0 1021 3162 Overcast 82% cloud 03:00 3.3 58 1 1 1B SW 0 0 1022 3168 Overcast 86% cloud 06:00 2.8 53 1 1 1B SW 0 0 1023 3173 Partly cloudy 25% cloud 09:00 1.8 52 2 1 1B SW 0 0 1022 3166 Clear 9% cloud 12:00 1.2 53 2 1 1B SW 0 0 1022 3164 Clear 0% cloud 15:00 2.2 45 1 1 1B SW 0 0 1023 3171 Clear 0% cloud 18:00 12.9 23 3 1 1B S 0 0 1023 3179 Clear 0% cloud 21:00 15.1 19 7 4 2B SW 0 0 1019 3165 Clear 13% cloud Monday, 09/11 00:00 10.7 36 5 3 1B SW 0 0 1020 3161 Clear 4% cloud 03:00 2.3 64 3 1 1B SW 0 0 1022 3164 Clear 1% cloud 06:00 1.8 56 2 1 1B SW 0 0 1022 3165 Partly cloudy 21% cloud 09:00 1.4 49 3 1 1B SW 0 0 1022 3158 Clear 19% cloud 12:00 0.7 43 2 1 1B SW 0 0 1021 2660 Cloudy 67% cloud 15:00 1.6 38 2 1 1B SW 0 0 1022 3159 Overcast 83% cloud 18:00 12.1 18 2 1 1B SW 0 0 1022 3167 Cloudy 78% cloud 21:00 14.1 15 6 3 1B SW 0 0 1020 3160 Cloudy 50% cloud Tuesday, 10/11 00:00 10.2 34 3 1 1B SW 0 0 1021 3162 Clear 10% cloud 03:00 2.8 50 1 1 1B W 0 0 1022 3166 Overcast 84% cloud 06:00 2.9 41 1 1 0B W 0 0 1023 3171 Cloudy 78% cloud 09:00 2 36 2 1 1B W 0 0 1023 3167 Clear 16% cloud 12:00 1.2 33 1 1 1B SW 0 0 1022 3161 Clear 0% cloud 15:00 2.1 30 1 1 1B SW 0 0 1023 3169 Clear 0% cloud 18:00 12 16 1 1 1B SW 0 0 1024 3179 Clear 0% cloud 21:00 14.4 15 1 1 1B SW 0 0 1021 3170 Clear 0% cloud Wednesday, 11/11 00:00 10.4 36 2 1 1B N 0 0 1021 3169 Clear 1% cloud 03:00 4.3 46 0 0 0B S 0 0 1022 3172 Clear 17% cloud 06:00 3.4 42 1 1 1B SW 0 0 1023 3175 Clear 16% cloud |
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Forecast notes
Forecast table times: UTC.
Coordinates: 37.6500275°N, -118.985279°E · Requested elevation: 2456 m. Model terrain: 2638 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
Outside the available profile, temperature uses an estimated 5.5°C/km height correction; wind retains the nearest available model-level value. Humidity is estimated with adjusted pressure and temperature.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) uses additional 600/500 hPa temperatures when available and estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.
Source: ECMWF · CC BY 4.0 · Processed by Snow Report.
Mammoth Mountain is a downhill ski area in California, United States. Mapped terrain includes beginner, easy, intermediate, advanced routes. Its mapped lift network extends from approximately 2456 to 3361 metres above sea level.
Data: OpenSkiData / OpenSkiMap, OpenStreetMap contributors (ODbL), Skimap.org, Who's On First, Mapterhorn.
Resort cameras
Mammoth · Main Lodge · Live video
Open camera page ↗Mammoth · McCoy Station · Live video
Open camera page ↗Mammoth Mountain - Base lift station
ECMWF · Model run: Next update expected:
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Thursday, 05/11 01:00 -0.8 61 1 0 0B NW 0 0 1019 — Cloudy 61% cloud 04:00 -0.9 61 0 0 0B N 0 0 1019 — Overcast 89% cloud 07:00 -0.6 53 1 1 0B SW 0 0 1018 — Clear 2% cloud 10:00 6.6 39 6 3 1B N 0 0 1019 — Clear 0% cloud 13:00 7.5 34 9 5 2B N 0 0 1019 — Clear 0% cloud 16:00 4.9 47 6 3 2B NE 0 0 1020 — Clear 0% cloud 19:00 -1.1 60 5 3 1B NE 0 0 1023 — Clear 0% cloud 22:00 -1.6 44 4 2 1B NE 0 0 1024 — Clear 0% cloud Friday, 06/11 01:00 -1.9 37 2 1 1B NE 0 0 1023 — Clear 8% cloud 04:00 -1.9 35 2 1 1B NE 0 0 1023 — Clear 2% cloud 07:00 -0.8 35 3 2 1B NE 0 0 1024 — Partly cloudy 21% cloud 10:00 7.2 25 8 4 2B NE 0 0 1024 — Clear 2% cloud 13:00 9.3 24 8 5 2B NE 0 0 1022 — Cloudy 77% cloud 16:00 6.4 35 6 3 2B N 0 0 1022 — Partly cloudy 30% cloud 19:00 1.2 49 5 3 1B NE 0 0 1024 — Clear 0% cloud 22:00 0.8 49 4 2 1B NE 0 0 1024 — Clear 0% cloud Saturday, 07/11 01:00 0.7 48 2 1 1B NE 0 0 1023 — Clear 0% cloud 04:00 0.8 46 1 0 0B E 0 0 1022 — Clear 0% cloud 07:00 1.3 44 1 0 0B NE 0 0 1023 — Clear 0% cloud 10:00 10.5 24 1 1 0B E 0 0 1023 — Clear 9% cloud 13:00 13 24 1 1 0B SE 0 0 1020 — Clear 17% cloud 16:00 9.5 41 1 1 1B SW 0 0 1021 — Overcast 82% cloud 19:00 2.6 60 1 1 1B SW 0 0 1022 — Overcast 86% cloud 22:00 2.3 54 1 1 1B SW 0 0 1023 — Partly cloudy 25% cloud Sunday, 08/11 01:00 1.4 53 2 1 1B SW 0 0 1022 — Clear 10% cloud 04:00 0.7 54 2 1 1B SW 0 0 1022 — Clear 0% cloud 07:00 1.8 45 1 1 1B SW 0 0 1023 — Clear 0% cloud 10:00 12.4 23 3 1 1B S 0 0 1023 — Clear 0% cloud 13:00 14.4 20 8 4 2B SW 0 0 1020 — Clear 13% cloud 16:00 10 38 5 3 1B SW 0 0 1021 — Clear 4% cloud 19:00 1.7 66 3 1 1B SW 0 0 1022 — Clear 1% cloud 22:00 1.3 57 2 1 1B SW 0 0 1022 — Partly cloudy 20% cloud Monday, 09/11 01:00 0.9 49 3 1 1B SW 0 0 1022 — Clear 20% cloud 04:00 0.3 43 2 1 1B SW 0 0 1021 — Cloudy 68% cloud 07:00 1.1 38 2 1 1B SW 0 0 1022 — Overcast 84% cloud 10:00 11.6 18 2 1 1B SW 0 0 1022 — Cloudy 79% cloud 13:00 13.5 15 6 3 2B SW 0 0 1020 — Partly cloudy 50% cloud 16:00 9.5 35 3 1 1B SW 0 0 1021 — Clear 10% cloud 19:00 2.1 52 1 1 0B SW 0 0 1022 — Overcast 85% cloud 22:00 2.4 42 1 1 0B W 0 0 1023 — Cloudy 78% cloud Tuesday, 10/11 01:00 1.5 35 2 1 1B W 0 0 1023 — Clear 16% cloud 04:00 0.7 33 1 1 1B SW 0 0 1022 — Clear 0% cloud 07:00 1.6 30 1 1 1B SW 0 0 1023 — Clear 0% cloud 10:00 11.5 17 1 1 1B SW 0 0 1024 — Clear 0% cloud 13:00 13.9 15 2 1 1B SW 0 0 1021 — Clear 0% cloud 16:00 9.8 37 2 1 1B N 0 0 1021 — Clear 1% cloud 19:00 3.7 48 0 0 0B S 0 0 1022 — Clear 16% cloud 22:00 2.9 43 1 1 1B SW 0 0 1023 — Clear 16% cloud |
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Forecast notes
Forecast table times: America/Los_Angeles.
Coordinates: 37.6446097°N, -119.0026332°E · Requested elevation: 2545 m. Model terrain: 2648 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
Outside the available profile, temperature uses an estimated 5.5°C/km height correction; wind retains the nearest available model-level value. Humidity is estimated with adjusted pressure and temperature.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) uses additional 600/500 hPa temperatures when available and estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.
Source: ECMWF · CC BY 4.0 · Processed by Snow Report.
Mammoth Mountain - Top lift station
ECMWF · Model run: Next update expected:
Day Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Thursday, 05/11 01:00 -5.2 75 1 0 0B NW 0 0 1019 — Cloudy 59% cloud 04:00 -5.3 75 1 0 0B NE 0 0 1019 — Overcast 88% cloud 07:00 -5 65 1 0 0B SW 0 0 1018 — Clear 2% cloud 10:00 2.1 48 4 2 1B N 0 0 1019 — Clear 0% cloud 13:00 3.2 41 8 4 2B N 0 0 1018 — Clear 0% cloud 16:00 0.4 57 6 3 2B NE 0 0 1020 — Clear 0% cloud 19:00 -5.7 73 6 3 2B NE 0 0 1023 — Clear 0% cloud 22:00 -6.3 54 5 3 1B NE 0 0 1024 — Clear 0% cloud Friday, 06/11 01:00 -6.6 47 3 2 1B NE 0 0 1023 — Clear 13% cloud 04:00 -6.5 44 3 2 1B NE 0 0 1023 — Clear 2% cloud 07:00 -5.5 44 4 2 1B NE 0 0 1024 — Partly cloudy 26% cloud 10:00 2.8 31 7 4 2B NE 0 0 1024 — Clear 3% cloud 13:00 4.9 30 8 5 2B NE 0 0 1022 — Cloudy 78% cloud 16:00 1.9 44 6 3 2B NE 0 0 1022 — Partly cloudy 30% cloud 19:00 -3.2 60 6 3 2B NE 0 0 1024 — Clear 0% cloud 22:00 -3.6 60 5 3 1B NE 0 0 1024 — Clear 0% cloud Saturday, 07/11 01:00 -3.7 60 3 1 1B NE 0 0 1023 — Clear 0% cloud 04:00 -3.5 57 1 1 0B NE 0 0 1022 — Clear 0% cloud 07:00 -2.9 53 1 1 0B NE 0 0 1023 — Clear 0% cloud 10:00 6.1 30 1 0 0B SE 0 0 1022 — Clear 8% cloud 13:00 8.2 31 1 1 1B S 0 0 1020 — Clear 18% cloud 16:00 4.7 52 1 1 1B SW 0 0 1021 — Overcast 82% cloud 19:00 -1.8 74 1 0 0B SW 0 0 1022 — Overcast 85% cloud 22:00 -1.8 64 1 1 0B SW 0 0 1023 — Partly cloudy 25% cloud Sunday, 08/11 01:00 -2.6 62 2 1 1B SW 0 0 1022 — Clear 11% cloud 04:00 -3.2 62 1 1 1B SW 0 0 1022 — Clear 0% cloud 07:00 -2.1 52 1 1 1B SW 0 0 1023 — Clear 0% cloud 10:00 7.7 29 3 1 1B S 0 0 1023 — Clear 0% cloud 13:00 9.4 26 7 4 2B SW 0 0 1020 — Clear 13% cloud 16:00 5.1 49 5 3 1B SW 0 0 1021 — Clear 5% cloud 19:00 -2.6 80 2 1 1B SW 0 0 1022 — Clear 1% cloud 22:00 -2.8 68 1 1 1B SW 0 0 1022 — Partly cloudy 21% cloud Monday, 09/11 01:00 -3.2 57 2 1 1B SW 0 0 1022 — Clear 19% cloud 04:00 -3.7 49 2 1 1B SW 0 0 1021 — Cloudy 67% cloud 07:00 -2.9 43 2 1 1B SW 0 0 1022 — Overcast 83% cloud 10:00 6.9 22 3 1 1B SW 0 0 1022 — Cloudy 79% cloud 13:00 8.6 20 6 3 2B SW 0 0 1020 — Partly cloudy 50% cloud 16:00 4.6 45 3 1 1B SW 0 0 1021 — Clear 10% cloud 19:00 -2.4 63 1 0 0B W 0 0 1022 — Overcast 85% cloud 22:00 -1.8 47 1 0 0B W 0 0 1023 — Cloudy 78% cloud Tuesday, 10/11 01:00 -2.4 39 1 1 1B W 0 0 1023 — Clear 16% cloud 04:00 -3.1 37 1 1 0B SW 0 0 1022 — Clear 0% cloud 07:00 -2.3 33 1 0 0B SW 0 0 1023 — Clear 0% cloud 10:00 6.9 20 2 1 1B SW 0 0 1024 — Clear 0% cloud 13:00 9.1 19 2 1 1B SW 0 0 1021 — Clear 0% cloud 16:00 5.1 45 1 1 1B N 0 0 1022 — Clear 1% cloud 19:00 -0.9 59 0 0 0B E 0 0 1022 — Clear 13% cloud 22:00 -1.3 51 1 0 0B SW 0 0 1023 — Clear 16% cloud |
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Forecast notes
Forecast table times: America/Los_Angeles.
Coordinates: 37.6306485°N, -119.033229°E · Requested elevation: 3361 m. Model terrain: 2667 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
Outside the available profile, temperature uses an estimated 5.5°C/km height correction; wind retains the nearest available model-level value. Humidity is estimated with adjusted pressure and temperature.
These are altitude estimates, not a simulation of local mountain terrain. Precipitation, cloud and sea-level pressure use horizontal interpolation only.
Precipitation includes rain and snow water equivalent: preceding 3 hours through day 6, then 6 hours (see cell tooltip). Snow (cm) estimates fresh snowfall from precipitation and temperature using the GFS conversion; it is not snow depth on the ground. Freezing (m) uses additional 600/500 hPa temperatures when available and estimates the lowest resolved 0°C crossing above sea level. When all sampled levels are warm, the upper profile limit is shown (see tooltip). < marks an entirely cold sampled profile and its lower height limit. No extrapolation is used.