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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.
Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
Forecast values and model notes
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.
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 ↗Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
Forecast values and model notes
Mammoth Mountain - Base 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 -0.7 64 1 0 0B E — — 1019 — Cloudy 63% cloud 09:00 -0.8 61 1 0 0B NW 0 0 1019 — Cloudy 61% cloud 12:00 -0.9 61 0 0 0B N 0 0 1019 — Overcast 89% cloud 15:00 -0.6 53 1 1 0B SW 0 0 1018 — Clear 2% cloud 18:00 6.6 39 6 3 1B N 0 0 1019 — Clear 0% cloud 21:00 7.5 34 9 5 2B N 0 0 1019 — Clear 0% cloud Friday, 06/11 00:00 4.9 47 6 3 2B NE 0 0 1020 — Clear 0% cloud 03:00 -1.1 60 5 3 1B NE 0 0 1023 — Clear 0% cloud 06:00 -1.6 44 4 2 1B NE 0 0 1024 — Clear 0% cloud 09:00 -1.9 37 2 1 1B NE 0 0 1023 — Clear 8% cloud 12:00 -1.9 35 2 1 1B NE 0 0 1023 — Clear 2% cloud 15:00 -0.8 35 3 2 1B NE 0 0 1024 — Partly cloudy 21% cloud 18:00 7.2 25 8 4 2B NE 0 0 1024 — Clear 2% cloud 21:00 9.3 24 8 5 2B NE 0 0 1022 — Cloudy 77% cloud Saturday, 07/11 00:00 6.4 35 6 3 2B N 0 0 1022 — Partly cloudy 30% cloud 03:00 1.2 49 5 3 1B NE 0 0 1024 — Clear 0% cloud 06:00 0.8 49 4 2 1B NE 0 0 1024 — Clear 0% cloud 09:00 0.7 48 2 1 1B NE 0 0 1023 — Clear 0% cloud 12:00 0.8 46 1 0 0B E 0 0 1022 — Clear 0% cloud 15:00 1.3 44 1 0 0B NE 0 0 1023 — Clear 0% cloud 18:00 10.5 24 1 1 0B E 0 0 1023 — Clear 9% cloud 21:00 13 24 1 1 0B SE 0 0 1020 — Clear 17% cloud Sunday, 08/11 00:00 9.5 41 1 1 1B SW 0 0 1021 — Overcast 82% cloud 03:00 2.6 60 1 1 1B SW 0 0 1022 — Overcast 86% cloud 06:00 2.3 54 1 1 1B SW 0 0 1023 — Partly cloudy 25% cloud 09:00 1.4 53 2 1 1B SW 0 0 1022 — Clear 10% cloud 12:00 0.7 54 2 1 1B SW 0 0 1022 — Clear 0% cloud 15:00 1.8 45 1 1 1B SW 0 0 1023 — Clear 0% cloud 18:00 12.4 23 3 1 1B S 0 0 1023 — Clear 0% cloud 21:00 14.4 20 8 4 2B SW 0 0 1020 — Clear 13% cloud Monday, 09/11 00:00 10 38 5 3 1B SW 0 0 1021 — Clear 4% cloud 03:00 1.7 66 3 1 1B SW 0 0 1022 — Clear 1% cloud 06:00 1.3 57 2 1 1B SW 0 0 1022 — Partly cloudy 20% cloud 09:00 0.9 49 3 1 1B SW 0 0 1022 — Clear 20% cloud 12:00 0.3 43 2 1 1B SW 0 0 1021 — Cloudy 68% cloud 15:00 1.1 38 2 1 1B SW 0 0 1022 — Overcast 84% cloud 18:00 11.6 18 2 1 1B SW 0 0 1022 — Cloudy 79% cloud 21:00 13.5 15 6 3 2B SW 0 0 1020 — Partly cloudy 50% cloud Tuesday, 10/11 00:00 9.5 35 3 1 1B SW 0 0 1021 — Clear 10% cloud 03:00 2.1 52 1 1 0B SW 0 0 1022 — Overcast 85% cloud 06:00 2.4 42 1 1 0B W 0 0 1023 — Cloudy 78% cloud 09:00 1.5 35 2 1 1B W 0 0 1023 — Clear 16% cloud 12:00 0.7 33 1 1 1B SW 0 0 1022 — Clear 0% cloud 15:00 1.6 30 1 1 1B SW 0 0 1023 — Clear 0% cloud 18:00 11.5 17 1 1 1B SW 0 0 1024 — Clear 0% cloud 21:00 13.9 15 2 1 1B SW 0 0 1021 — Clear 0% cloud Wednesday, 11/11 00:00 9.8 37 2 1 1B N 0 0 1021 — Clear 1% cloud 03:00 3.7 48 0 0 0B S 0 0 1022 — Clear 16% cloud 06:00 2.9 43 1 1 1B SW 0 0 1023 — Clear 16% cloud |
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Forecast notes
Forecast table times: UTC.
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.
Preparing forecast graphs…
Times and values match the detailed forecast. Tap or point at a value for details. Scroll each chart sideways for later days. Rain / precipitation is the total water equivalent per forecast interval, including snow; snowfall is fresh snow per interval, not snow depth.
GFS and ECMWF model comparison. Each model retains its own forecast times and horizon. Precipitation and snowfall amounts cover their own forecast intervals; these can differ between models.
Forecast values and model notes
Mammoth Mountain - Top 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 -5.2 79 1 1 1B NE — — 1019 — Cloudy 68% cloud 09:00 -5.2 75 1 0 0B NW 0 0 1019 — Cloudy 59% cloud 12:00 -5.3 75 1 0 0B NE 0 0 1019 — Overcast 88% cloud 15:00 -5 65 1 0 0B SW 0 0 1018 — Clear 2% cloud 18:00 2.1 48 4 2 1B N 0 0 1019 — Clear 0% cloud 21:00 3.2 41 8 4 2B N 0 0 1018 — Clear 0% cloud Friday, 06/11 00:00 0.4 57 6 3 2B NE 0 0 1020 — Clear 0% cloud 03:00 -5.7 73 6 3 2B NE 0 0 1023 — Clear 0% cloud 06:00 -6.3 54 5 3 1B NE 0 0 1024 — Clear 0% cloud 09:00 -6.6 47 3 2 1B NE 0 0 1023 — Clear 13% cloud 12:00 -6.5 44 3 2 1B NE 0 0 1023 — Clear 2% cloud 15:00 -5.5 44 4 2 1B NE 0 0 1024 — Partly cloudy 26% cloud 18:00 2.8 31 7 4 2B NE 0 0 1024 — Clear 3% cloud 21:00 4.9 30 8 5 2B NE 0 0 1022 — Cloudy 78% cloud Saturday, 07/11 00:00 1.9 44 6 3 2B NE 0 0 1022 — Partly cloudy 30% cloud 03:00 -3.2 60 6 3 2B NE 0 0 1024 — Clear 0% cloud 06:00 -3.6 60 5 3 1B NE 0 0 1024 — Clear 0% cloud 09:00 -3.7 60 3 1 1B NE 0 0 1023 — Clear 0% cloud 12:00 -3.5 57 1 1 0B NE 0 0 1022 — Clear 0% cloud 15:00 -2.9 53 1 1 0B NE 0 0 1023 — Clear 0% cloud 18:00 6.1 30 1 0 0B SE 0 0 1022 — Clear 8% cloud 21:00 8.2 31 1 1 1B S 0 0 1020 — Clear 18% cloud Sunday, 08/11 00:00 4.7 52 1 1 1B SW 0 0 1021 — Overcast 82% cloud 03:00 -1.8 74 1 0 0B SW 0 0 1022 — Overcast 85% cloud 06:00 -1.8 64 1 1 0B SW 0 0 1023 — Partly cloudy 25% cloud 09:00 -2.6 62 2 1 1B SW 0 0 1022 — Clear 11% cloud 12:00 -3.2 62 1 1 1B SW 0 0 1022 — Clear 0% cloud 15:00 -2.1 52 1 1 1B SW 0 0 1023 — Clear 0% cloud 18:00 7.7 29 3 1 1B S 0 0 1023 — Clear 0% cloud 21:00 9.4 26 7 4 2B SW 0 0 1020 — Clear 13% cloud Monday, 09/11 00:00 5.1 49 5 3 1B SW 0 0 1021 — Clear 5% cloud 03:00 -2.6 80 2 1 1B SW 0 0 1022 — Clear 1% cloud 06:00 -2.8 68 1 1 1B SW 0 0 1022 — Partly cloudy 21% cloud 09:00 -3.2 57 2 1 1B SW 0 0 1022 — Clear 19% cloud 12:00 -3.7 49 2 1 1B SW 0 0 1021 — Cloudy 67% cloud 15:00 -2.9 43 2 1 1B SW 0 0 1022 — Overcast 83% cloud 18:00 6.9 22 3 1 1B SW 0 0 1022 — Cloudy 79% cloud 21:00 8.6 20 6 3 2B SW 0 0 1020 — Partly cloudy 50% cloud Tuesday, 10/11 00:00 4.6 45 3 1 1B SW 0 0 1021 — Clear 10% cloud 03:00 -2.4 63 1 0 0B W 0 0 1022 — Overcast 85% cloud 06:00 -1.8 47 1 0 0B W 0 0 1023 — Cloudy 78% cloud 09:00 -2.4 39 1 1 1B W 0 0 1023 — Clear 16% cloud 12:00 -3.1 37 1 1 0B SW 0 0 1022 — Clear 0% cloud 15:00 -2.3 33 1 0 0B SW 0 0 1023 — Clear 0% cloud 18:00 6.9 20 2 1 1B SW 0 0 1024 — Clear 0% cloud 21:00 9.1 19 2 1 1B SW 0 0 1021 — Clear 0% cloud Wednesday, 11/11 00:00 5.1 45 1 1 1B N 0 0 1022 — Clear 1% cloud 03:00 -0.9 59 0 0 0B E 0 0 1022 — Clear 13% cloud 06:00 -1.3 51 1 0 0B SW 0 0 1023 — Clear 16% cloud |
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Forecast notes
Forecast table times: UTC.
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.