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GFS, ECMWF & ICON weather models
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2,272 ski resorts Newest resort: Moose Mountain Ski Resort ↗
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Mountain weather expertise since 1996
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 Local time Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Wednesday, 04/11 01:00 -3 83 1 0 0B S 0 0 1018 < 2640 Partly cloudy 35% cloud  04:00 -6 82 1 1 0B SE 0 0 1017 < 2640 Partly cloudy 37% cloud 07:00 -4.6 75 1 1 0B E 0 0 1019 < 2640 Clear 10% cloud  10:00 5.8 38 2 1 1B NE 0 0 1017 3086 Clear 1% cloud 13:00 7.8 38 3 2 1B N 0 0 1015 3084 Clear 1% cloud 16:00 5.7 50 2 1 1B N 0 0 1015 3087 Clear 5% cloud 19:00 -0.5 65 0 0 0B — 0 0 1017 2837 Clear 13% cloud 22:00 -0.6 58 1 0 0B W 0 0 1018 2855 Partly cloudy 40% cloud Thursday, 05/11 01:00 -0.1 56 1 0 0B NW 0 0 1019 2811 Cloudy 60% cloud  04:00 -0.2 54 0 0 0B W 0 0 1018 2818 Overcast 84% cloud  07:00 -0.3 54 1 1 0B SW 0 0 1018 2778 Clear 10% cloud 10:00 7.6 36 3 2 1B N 0 0 1018 3110 Clear 0% cloud 13:00 7.9 39 8 4 2B N 0 0 1018 3110 Clear 1% cloud 16:00 5.3 47 5 3 1B NE 0 0 1020 3118 Clear 7% cloud 19:00 -0.6 71 4 2 1B NE 0 0 1023 < 2640 Clear 0% cloud 22:00 -1.5 60 4 2 1B NE 0 0 1024 3075 Clear 18% cloud Friday, 06/11 01:00 -1.4 45 2 1 1B NE 0 0 1024 2963 Clear 2% cloud 04:00 -1.4 35 1 1 1B E 0 0 1023 2908 Clear 2% cloud 07:00 -0.1 31 2 1 1B NE 0 0 1025 2814 Clear 13% cloud 10:00 8.2 23 7 4 2B NE 0 0 1024 3159 Clear 8% cloud 13:00 9.9 24 9 5 2B NE 0 0 1022 3152 Clear 14% cloud 16:00 7.2 36 5 3 1B N 0 0 1022 3153 Cloudy 51% cloud 19:00 2 48 4 2 1B NE 0 0 1024 3161 Cloudy 52% cloud 22:00 1.6 48 3 2 1B NE 0 0 1025 3167 Clear 0% cloud Saturday, 07/11 01:00 1.2 50 2 1 1B NE 0 0 1024 3161 Clear 0% cloud 04:00 1.2 49 1 1 1B NE 0 0 1023 3158 Clear 0% cloud 07:00 1.7 48 1 0 0B E 0 0 1023 3163 Clear 0% cloud 10:00 10.9 25 1 1 0B E 0 0 1023 3168 Clear 0% cloud 13:00 13.3 25 1 1 1B SE 0 0 1020 3164 Clear 1% cloud 16:00 10.4 41 1 0 0B SE 0 0 1021 3165 Clear 0% cloud 19:00 3.5 54 1 0 0B SW 0 0 1022 3167 Clear 11% cloud 22:00 3 50 1 1 1B SW 0 0 1023 3171 Clear 0% cloud Sunday, 08/11 01:00 1.8 53 2 1 1B SW 0 0 1022 3167 Cloudy 79% cloud 04:00 1.4 53 2 1 1B SW 0 0 1022 3164 Clear 5% cloud 07:00 2.5 44 1 1 0B W 0 0 1023 3172 Cloudy 59% cloud 10:00 12.8 24 1 1 1B SE 0 0 1022 3176 Cloudy 76% cloud 13:00 15 22 2 1 1B SW 0 0 1019 3165 Overcast 90% cloud 16:00 10.9 39 3 2 1B SW 0 0 1020 3162 Clear 3% cloud 19:00 2.8 61 2 1 1B SW 0 0 1021 3164 Clear 0% cloud 22:00 2.3 52 2 1 1B SW 0 0 1022 3166 Clear 0% cloud Monday, 09/11 01:00 1.6 50 2 1 1B SW 0 0 1022 3159 Clear 3% cloud 04:00 0.9 48 2 1 1B SW 0 0 1021 2646 Partly cloudy 31% cloud 07:00 1.8 37 2 1 1B W 0 0 1022 3159 Partly cloudy 49% cloud 10:00 12.5 19 1 0 0B SW 0 0 1022 3167 Clear 2% cloud 13:00 14.3 16 3 2 1B W 0 0 1019 3159 Clear 4% cloud 16:00 10.5 34 1 1 0B SW 0 0 1020 3158 Clear 0% cloud 19:00 3 47 2 1 1B W 0 0 1022 3163 Clear 6% cloud 22:00 2.2 46 2 1 1B W 0 0 1023 3168 Clear 14% cloud |
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Forecast notes
Forecast table times: America/Los_Angeles.
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 | Wednesday, 04/11 01:00 -3.6 85 1 1 1B SE 0.00 0 1018 — Partly cloudy 38% cloud 04:00 -6.7 84 1 1 1B SE 0 0 1017 — Partly cloudy 38% cloud 07:00 -5.2 77 1 1 1B E 0 0 1019 — Clear 9% cloud 10:00 5.4 38 2 1 1B NE 0 0 1017 — Clear 1% cloud 13:00 7.3 38 3 1 1B N 0 0 1015 — Clear 1% cloud 16:00 5.2 51 2 1 1B N 0 0 1015 — Clear 6% cloud 19:00 -1.1 67 0 0 0B E 0 0 1017 — Clear 13% cloud 22:00 -1.1 59 1 0 0B W 0 0 1018 — Partly cloudy 40% cloud Thursday, 05/11 01:00 -0.6 56 1 0 0B NW 0 0 1019 — Cloudy 59% cloud 04:00 -0.6 54 0 0 0B W 0 0 1018 — Overcast 84% cloud 07:00 -0.7 54 1 1 0B S 0 0 1018 — Clear 10% cloud 10:00 7.1 36 3 2 1B N 0 0 1018 — Clear 0% cloud 13:00 7.4 40 7 4 2B N 0 0 1018 — Clear 1% cloud 16:00 4.8 49 5 3 1B NE 0 0 1020 — Clear 7% cloud 19:00 -1.2 73 5 3 1B NE 0 0 1023 — Clear 0% cloud 22:00 -2 62 4 2 1B NE 0 0 1024 — Clear 18% cloud Friday, 06/11 01:00 -1.9 45 3 2 1B NE 0 0 1024 — Clear 2% cloud 04:00 -1.9 35 2 1 1B E 0 0 1023 — Clear 2% cloud 07:00 -0.6 31 3 1 1B NE 0 0 1024 — Clear 14% cloud 10:00 7.7 24 7 4 2B NE 0 0 1024 — Clear 8% cloud 13:00 9.3 25 9 5 2B NE 0 0 1022 — Clear 14% cloud 16:00 6.6 36 5 3 1B N 0 0 1022 — Cloudy 51% cloud 19:00 1.4 48 5 3 1B NE 0 0 1024 — Cloudy 51% cloud 22:00 1.1 49 4 2 1B NE 0 0 1025 — Clear 0% cloud Saturday, 07/11 01:00 0.7 51 3 1 1B NE 0 0 1024 — Clear 0% cloud 04:00 0.7 50 2 1 1B NE 0 0 1023 — Clear 0% cloud 07:00 1.2 49 1 1 1B E 0 0 1023 — Clear 0% cloud 10:00 10.5 25 1 0 0B E 0 0 1023 — Clear 0% cloud 13:00 12.8 25 1 1 0B SE 0 0 1020 — Clear 1% cloud 16:00 9.8 42 1 0 0B S 0 0 1021 — Clear 0% cloud 19:00 2.8 56 1 0 0B SW 0 0 1022 — Clear 12% cloud 22:00 2.5 52 1 1 0B SW 0 0 1023 — Clear 0% cloud Sunday, 08/11 01:00 1.3 54 2 1 1B SW 0 0 1022 — Cloudy 79% cloud 04:00 0.9 54 2 1 1B SW 0 0 1022 — Clear 5% cloud 07:00 2 45 1 1 0B W 0 0 1023 — Cloudy 60% cloud 10:00 12.3 24 1 1 1B SE 0 0 1022 — Cloudy 77% cloud 13:00 14.4 23 3 1 1B SW 0 0 1020 — Overcast 90% cloud 16:00 10.2 40 3 2 1B SW 0 0 1020 — Clear 2% cloud 19:00 2 63 2 1 1B SW 0 0 1022 — Clear 0% cloud 22:00 1.7 53 2 1 1B SW 0 0 1022 — Clear 0% cloud Monday, 09/11 01:00 1.1 50 2 1 1B SW 0 0 1022 — Clear 2% cloud 04:00 0.5 48 2 1 1B SW 0 0 1021 — Partly cloudy 31% cloud 07:00 1.4 37 2 1 1B W 0 0 1022 — Partly cloudy 49% cloud 10:00 12 19 1 1 0B SW 0 0 1022 — Clear 2% cloud 13:00 13.7 16 3 2 1B W 0 0 1019 — Clear 4% cloud 16:00 9.8 35 1 1 1B SW 0 0 1020 — Clear 0% cloud 19:00 2.3 49 2 1 1B W 0 0 1022 — Clear 5% cloud 22:00 1.7 47 2 1 1B W 0 0 1023 — Clear 13% 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 Time (UTC) Temp. (°C) Humidity (%) Wind (km/h) Wind (knots) Wind (Bft) Direction Precip. (mm) Snow (cm) Pressure (hPa) Freezing (m) Conditions | Wednesday, 04/11 06:00 -5.4 98 5 3 1B S — — 1018 — Overcast 84% cloud 09:00 -8.2 100 1 1 1B SE 0.00 0 1018 — Partly cloudy 45% cloud 12:00 -11.3 100 1 1 1B E 0 0 1017 — Partly cloudy 40% cloud 15:00 -9.7 94 2 1 1B E 0 0 1018 — Clear 9% cloud 18:00 1.2 46 2 1 1B NE 0 0 1016 — Clear 1% cloud 21:00 2.9 47 2 1 1B N 0 0 1015 — Clear 1% cloud Thursday, 05/11 00:00 0.6 63 1 1 0B N 0 0 1016 — Clear 6% cloud 03:00 -5.5 83 0 0 0B E 0 0 1017 — Clear 12% cloud 06:00 -5.5 72 1 0 0B NW 0 0 1018 — Partly cloudy 43% cloud 09:00 -4.9 68 1 0 0B NW 0 0 1019 — Cloudy 57% cloud 12:00 -4.9 65 0 0 0B NW 0 0 1018 — Overcast 83% cloud 15:00 -5.1 67 1 0 0B S 0 0 1018 — Clear 9% cloud 18:00 2.6 45 2 1 1B NW 0 0 1018 — Clear 0% cloud 21:00 3.1 47 6 3 2B N 0 0 1018 — Clear 1% cloud Friday, 06/11 00:00 0.3 61 5 3 1B NE 0 0 1020 — Clear 6% cloud 03:00 -5.9 91 6 3 1B NE 0 0 1023 — Clear 0% cloud 06:00 -6.6 76 5 3 1B NE 0 0 1024 — Clear 18% cloud 09:00 -6.7 56 4 2 1B NE 0 0 1024 — Clear 2% cloud 12:00 -6.5 44 3 1 1B NE 0 0 1023 — Clear 1% cloud 15:00 -5.2 40 3 2 1B NE 0 0 1024 — Clear 15% cloud 18:00 3.3 29 7 4 2B NE 0 0 1024 — Clear 8% cloud 21:00 5 30 9 5 2B NE 0 0 1022 — Clear 15% cloud Saturday, 07/11 00:00 2.2 45 5 3 1B NE 0 0 1022 — Cloudy 52% cloud 03:00 -3.1 60 6 3 1B NE 0 0 1024 — Partly cloudy 49% cloud 06:00 -3.3 61 5 3 1B NE 0 0 1025 — Clear 0% cloud 09:00 -3.7 63 4 2 1B NE 0 0 1023 — Clear 0% cloud 12:00 -3.6 62 2 1 1B NE 0 0 1023 — Clear 0% cloud 15:00 -3.1 60 2 1 1B NE 0 0 1023 — Clear 0% cloud 18:00 6.2 31 1 0 0B SE 0 0 1023 — Clear 0% cloud 21:00 8.1 32 1 1 1B S 0 0 1021 — Clear 1% cloud Sunday, 08/11 00:00 5 52 1 0 0B S 0 0 1021 — Clear 0% cloud 03:00 -1.6 69 0 0 0B SW 0 0 1022 — Clear 13% cloud 06:00 -1.7 62 1 0 0B W 0 0 1023 — Clear 0% cloud 09:00 -2.7 63 2 1 1B SW 0 0 1023 — Cloudy 79% cloud 12:00 -3 62 1 1 1B SW 0 0 1022 — Clear 5% cloud 15:00 -1.8 52 1 0 0B W 0 0 1023 — Cloudy 60% cloud 18:00 7.7 30 1 1 1B S 0 0 1022 — Cloudy 78% cloud 21:00 9.5 29 3 2 1B SW 0 0 1020 — Overcast 89% cloud Monday, 09/11 00:00 5.4 51 3 2 1B SW 0 0 1021 — Clear 2% cloud 03:00 -2.3 77 2 1 1B SW 0 0 1022 — Clear 0% cloud 06:00 -2.4 64 1 1 1B W 0 0 1022 — Clear 0% cloud 09:00 -2.9 59 2 1 1B SW 0 0 1022 — Clear 2% cloud 12:00 -3.4 55 1 1 1B SW 0 0 1021 — Partly cloudy 32% cloud 15:00 -2.5 42 2 1 1B W 0 0 1022 — Partly cloudy 48% cloud 18:00 7.3 23 1 1 1B SW 0 0 1022 — Clear 2% cloud 21:00 8.9 21 4 2 1B W 0 0 1020 — Clear 4% cloud Tuesday, 10/11 00:00 4.9 45 2 1 1B SW 0 0 1020 — Clear 0% cloud 03:00 -2.2 59 1 1 0B W 0 0 1022 — Clear 5% cloud 06:00 -2.4 54 1 1 1B W 0 0 1023 — Clear 13% 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.