Worldwide Ski Resort Forecasts
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Colour guide Temperature · Wind · Rain · Snow
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
Itoigawa Seaside Valley Ski Resort - 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 18.5 66 4 2 1B NW — — 1010 3047 Partly cloudy 37% cloud  09:00 15.5 79 4 2 1B S 0.06 0 1009 3040 Overcast 96% cloud  12:00 15.2 78 3 1 1B SE 0.41 0 1007 3024 Cloudy 70% cloud  15:00 15.2 77 1 1 1B S 0.19 0 1006 3011 Cloudy 79% cloud 18:00 14.7 82 6 3 2B W 3.3 0 1006 2997 Overcast 94% cloud 21:00 14.1 86 14 7 3B W 9.5 0 1008 2808 Overcast 99% cloud Friday, 06/11 00:00 15.5 79 17 9 3B W 3.2 0 1010 2764 Partly cloudy 35% cloud 03:00 17.5 53 22 12 4B W 0.33 0 1009 2730 Cloudy 63% cloud 06:00 14.5 72 21 11 4B W 1.7 0 1012 2570 Cloudy 72% cloud 09:00 11.9 76 18 10 3B W 1.2 0 1015 2306 Cloudy 71% cloud 12:00 10 83 15 8 3B W 3.0 0 1018 1957 Overcast 97% cloud 15:00 8.4 83 13 7 3B W 8.0 0 1019 1637 Overcast 100% cloud 18:00 7.6 83 15 8 3B W 6.0 0 1019 1493 Overcast 90% cloud 21:00 7.3 80 18 10 3B SW 1.8 0 1020 1444 Overcast 94% cloud Saturday, 07/11 00:00 7.3 80 17 9 3B W 5.8 0 1024 1397 Overcast 100% cloud 03:00 7.4 75 18 10 3B W 6.7 0 1025 1405 Overcast 87% cloud 06:00 7 74 17 9 3B W 6.3 0 1026 1361 Cloudy 79% cloud 09:00 5.9 79 14 7 3B W 3.8 0 1029 1268 Overcast 85% cloud 12:00 5.2 79 11 6 2B SW 1.4 0 1031 1296 Cloudy 72% cloud 15:00 5.4 75 12 7 2B W 0.25 0 1032 1443 Overcast 90% cloud 18:00 5.6 77 11 6 2B W 0.59 0 1033 1598 Overcast 94% cloud 21:00 5.7 76 7 4 2B W 0.74 0 1034 1808 Overcast 96% cloud Sunday, 08/11 00:00 7.4 67 5 3 1B W 0.35 0 1035 2281 Overcast 87% cloud 03:00 9.6 54 7 4 2B NW 0 0 1033 2510 Overcast 86% cloud 06:00 9 56 5 3 1B N 0.06 0 1032 2517 Overcast 81% cloud 09:00 6.8 69 4 2 1B E 0 0 1032 2105 Overcast 98% cloud 12:00 6.4 69 6 3 2B SE 0 0 1032 1851 Overcast 91% cloud 15:00 6.2 70 3 2 1B SE 0 0 1029 1766 Overcast 98% cloud 18:00 6.7 68 4 2 1B SE 0.10 0 1028 1791 Overcast 100% cloud 21:00 7.3 74 4 2 1B SE 0.32 0 1026 1817 Overcast 99% cloud Monday, 09/11 00:00 10.7 71 2 1 1B SW 0.22 0 1024 2136 Cloudy 74% cloud 03:00 13.4 59 8 4 2B W 0 0 1022 2283 Partly cloudy 27% cloud 06:00 13.5 60 9 5 2B W 0 0 1021 2252 Cloudy 75% cloud 09:00 10.4 82 12 7 2B NW 2.2 0 1022 2114 Overcast 95% cloud 12:00 8.3 83 11 6 2B N 11.8 0 1025 1768 Overcast 100% cloud 15:00 7.4 79 8 4 2B NW 3.9 0 1025 1528 Overcast 99% cloud 18:00 6.3 78 7 4 2B NW 1.5 0 1026 1405 Overcast 96% cloud 21:00 5.6 78 6 3 2B W 0.87 0 1026 1327 Cloudy 75% cloud Tuesday, 10/11 00:00 5.9 76 7 4 2B W 1.2 0 1028 1351 Overcast 84% cloud 03:00 6.5 75 12 6 2B NW 3.2 0 1027 1436 Overcast 94% cloud 06:00 5.6 79 7 4 2B NW 2.7 0 1027 1442 Overcast 92% cloud 09:00 4.8 80 3 2 1B NW 0.63 0 1028 1338 Overcast 96% cloud 12:00 4 78 2 1 1B W 0.03 0 1028 1150 Overcast 93% cloud 15:00 3.2 85 4 2 1B S 0.11 0 1028 919 Overcast 85% cloud 18:00 2.8 80 5 3 1B S 0 0 1028 798 Cloudy 76% cloud 21:00 2.5 78 6 3 2B S 0 0 1029 701 Cloudy 69% cloud Wednesday, 11/11 00:00 7.7 58 5 3 1B W 0 0 1031 1672 Cloudy 70% cloud 03:00 10.1 51 7 4 2B NW 0 0 1029 1930 Clear 11% cloud  06:00 9.9 53 6 3 2B N 0 0 1030 2005 Clear 1% cloud |
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Forecast notes
Forecast table times: UTC.
Coordinates: 36.9404607°N, 137.8991972°E · Requested elevation: 244 m. Model terrain: 679 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.
Itoigawa Seaside Valley Ski Resort is a downhill ski area in Niigata Prefecture, Japan. Mapped terrain includes easy, intermediate, advanced routes. Its mapped lift network extends from approximately 244 to 734 metres above sea level.
Data: OpenSkiData / OpenSkiMap, OpenStreetMap contributors (ODbL), Skimap.org, Who's On First, Mapterhorn.
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
Itoigawa Seaside Valley Ski Resort - 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 18.5 66 4 2 1B NW — — 1010 3047 Partly cloudy 37% cloud 09:00 15.5 79 4 2 1B S 0.06 0 1009 3040 Overcast 96% cloud 12:00 15.2 78 3 1 1B SE 0.41 0 1007 3024 Cloudy 70% cloud 15:00 15.2 77 1 1 1B S 0.19 0 1006 3011 Cloudy 79% cloud 18:00 14.7 82 6 3 2B W 3.3 0 1006 2997 Overcast 94% cloud 21:00 14.1 86 14 7 3B W 9.5 0 1008 2808 Overcast 99% cloud Friday, 06/11 00:00 15.5 79 17 9 3B W 3.2 0 1010 2764 Partly cloudy 35% cloud 03:00 17.5 53 22 12 4B W 0.33 0 1009 2730 Cloudy 63% cloud 06:00 14.5 72 21 11 4B W 1.7 0 1012 2570 Cloudy 72% cloud 09:00 11.9 76 18 10 3B W 1.2 0 1015 2306 Cloudy 71% cloud 12:00 10 83 15 8 3B W 3.0 0 1018 1957 Overcast 97% cloud 15:00 8.4 83 13 7 3B W 8.0 0 1019 1637 Overcast 100% cloud 18:00 7.6 83 15 8 3B W 6.0 0 1019 1493 Overcast 90% cloud 21:00 7.3 80 18 10 3B SW 1.8 0 1020 1444 Overcast 94% cloud Saturday, 07/11 00:00 7.3 80 17 9 3B W 5.8 0 1024 1397 Overcast 100% cloud 03:00 7.4 75 18 10 3B W 6.7 0 1025 1405 Overcast 87% cloud 06:00 7 74 17 9 3B W 6.3 0 1026 1361 Cloudy 79% cloud 09:00 5.9 79 14 7 3B W 3.8 0 1029 1268 Overcast 85% cloud 12:00 5.2 79 11 6 2B SW 1.4 0 1031 1296 Cloudy 72% cloud 15:00 5.4 75 12 7 2B W 0.25 0 1032 1443 Overcast 90% cloud 18:00 5.6 77 11 6 2B W 0.59 0 1033 1598 Overcast 94% cloud 21:00 5.7 76 7 4 2B W 0.74 0 1034 1808 Overcast 96% cloud Sunday, 08/11 00:00 7.4 67 5 3 1B W 0.35 0 1035 2281 Overcast 87% cloud 03:00 9.6 54 7 4 2B NW 0 0 1033 2510 Overcast 86% cloud 06:00 9 56 5 3 1B N 0.06 0 1032 2517 Overcast 81% cloud 09:00 6.8 69 4 2 1B E 0 0 1032 2105 Overcast 98% cloud 12:00 6.4 69 6 3 2B SE 0 0 1032 1851 Overcast 91% cloud 15:00 6.2 70 3 2 1B SE 0 0 1029 1766 Overcast 98% cloud 18:00 6.7 68 4 2 1B SE 0.10 0 1028 1791 Overcast 100% cloud 21:00 7.3 74 4 2 1B SE 0.32 0 1026 1817 Overcast 99% cloud Monday, 09/11 00:00 10.7 71 2 1 1B SW 0.22 0 1024 2136 Cloudy 74% cloud 03:00 13.4 59 8 4 2B W 0 0 1022 2283 Partly cloudy 27% cloud 06:00 13.5 60 9 5 2B W 0 0 1021 2252 Cloudy 75% cloud 09:00 10.4 82 12 7 2B NW 2.2 0 1022 2114 Overcast 95% cloud 12:00 8.3 83 11 6 2B N 11.8 0 1025 1768 Overcast 100% cloud 15:00 7.4 79 8 4 2B NW 3.9 0 1025 1528 Overcast 99% cloud 18:00 6.3 78 7 4 2B NW 1.5 0 1026 1405 Overcast 96% cloud 21:00 5.6 78 6 3 2B W 0.87 0 1026 1327 Cloudy 75% cloud Tuesday, 10/11 00:00 5.9 76 7 4 2B W 1.2 0 1028 1351 Overcast 84% cloud 03:00 6.5 75 12 6 2B NW 3.2 0 1027 1436 Overcast 94% cloud 06:00 5.6 79 7 4 2B NW 2.7 0 1027 1442 Overcast 92% cloud 09:00 4.8 80 3 2 1B NW 0.63 0 1028 1338 Overcast 96% cloud 12:00 4 78 2 1 1B W 0.03 0 1028 1150 Overcast 93% cloud 15:00 3.2 85 4 2 1B S 0.11 0 1028 919 Overcast 85% cloud 18:00 2.8 80 5 3 1B S 0 0 1028 798 Cloudy 76% cloud 21:00 2.5 78 6 3 2B S 0 0 1029 701 Cloudy 69% cloud Wednesday, 11/11 00:00 7.7 58 5 3 1B W 0 0 1031 1672 Cloudy 70% cloud 03:00 10.1 51 7 4 2B NW 0 0 1029 1930 Clear 11% cloud 06:00 9.9 53 6 3 2B N 0 0 1030 2005 Clear 1% cloud |
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Forecast notes
Forecast table times: UTC.
Coordinates: 36.9404607°N, 137.8991972°E · Requested elevation: 244 m. Model terrain: 679 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
Itoigawa Seaside Valley Ski Resort - 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 15.9 73 4 2 1B W — — 1010 3048 Partly cloudy 38% cloud 09:00 12.9 87 4 2 1B S 0.08 0 1009 3041 Overcast 96% cloud 12:00 12.5 87 3 1 1B SE 0.48 0 1007 3025 Cloudy 68% cloud 15:00 12.5 85 1 1 1B S 0.26 0 1006 3011 Cloudy 79% cloud 18:00 12.1 91 6 3 2B W 3.4 0 1006 2998 Overcast 94% cloud 21:00 11.5 96 13 7 3B W 9.1 0 1008 2813 Overcast 98% cloud Friday, 06/11 00:00 12.7 89 16 9 3B W 3.1 0 1010 2763 Partly cloudy 39% cloud 03:00 14.7 59 21 11 4B W 0.37 0 1009 2732 Cloudy 64% cloud 06:00 11.8 80 20 11 4B W 1.9 0 1012 2568 Cloudy 74% cloud 09:00 9.2 84 17 9 3B W 1.3 0 1015 2313 Cloudy 74% cloud 12:00 7.3 92 14 7 3B W 3.0 0 1018 1966 Overcast 96% cloud 15:00 5.7 92 13 7 3B W 7.5 0 1019 1647 Overcast 99% cloud 18:00 4.9 93 14 8 3B W 5.7 0 1019 1495 Overcast 90% cloud 21:00 4.5 89 17 9 3B SW 1.8 0 1020 1443 Overcast 95% cloud Saturday, 07/11 00:00 4.6 89 16 9 3B W 5.7 0 1024 1405 Overcast 99% cloud 03:00 4.8 83 17 9 3B W 6.4 0 1025 1420 Overcast 87% cloud 06:00 4.3 82 17 9 3B W 5.9 0 1026 1373 Cloudy 79% cloud 09:00 3.1 88 13 7 3B W 3.5 0 1029 1266 Overcast 83% cloud 12:00 2.4 88 10 6 2B SW 1.3 0 1031 1273 Cloudy 71% cloud 15:00 2.5 84 12 6 2B W 0.23 0 1032 1394 Overcast 88% cloud 18:00 2.8 86 10 5 2B W 0.53 0 1033 1555 Overcast 94% cloud 21:00 2.8 85 7 4 2B W 0.67 0 1034 1757 Overcast 96% cloud Sunday, 08/11 00:00 4.7 74 5 3 1B W 0.32 0 1035 2266 Overcast 85% cloud 03:00 6.9 60 7 4 2B NW 0 0 1033 2510 Overcast 82% cloud 06:00 6.3 63 5 3 1B NE 0.05 0 1032 2513 Overcast 80% cloud 09:00 4.1 78 4 2 1B E 0 0 1032 2081 Overcast 98% cloud 12:00 3.7 78 6 3 2B SE 0 0 1032 1827 Overcast 90% cloud 15:00 3.6 78 3 2 1B SE 0 0 1029 1760 Overcast 98% cloud 18:00 4.1 75 4 2 1B SE 0.10 0 1028 1789 Overcast 100% cloud 21:00 4.7 81 3 2 1B SE 0.31 0 1026 1828 Overcast 99% cloud Monday, 09/11 00:00 8.1 78 2 1 1B SW 0.22 0 1024 2148 Cloudy 75% cloud 03:00 10.8 65 7 4 2B W 0 0 1022 2296 Partly cloudy 26% cloud 06:00 10.9 67 9 5 2B W 0 0 1021 2261 Cloudy 74% cloud 09:00 7.7 91 12 6 2B NW 2.1 0 1022 2115 Overcast 94% cloud 12:00 5.6 93 11 6 2B N 11.2 0 1025 1769 Overcast 100% cloud 15:00 4.6 89 8 4 2B NW 3.8 0 1025 1523 Overcast 99% cloud 18:00 3.5 87 7 4 2B NW 1.4 0 1026 1399 Overcast 95% cloud 21:00 2.8 87 6 3 2B W 0.80 0 1026 1314 Cloudy 75% cloud Tuesday, 10/11 00:00 3.2 84 7 4 2B W 1.1 0 1028 1352 Overcast 84% cloud 03:00 4 83 12 6 2B NW 2.9 0 1027 1458 Overcast 92% cloud 06:00 3 87 8 4 2B NW 2.4 0 1027 1445 Overcast 90% cloud 09:00 1.9 89 3 2 1B NW 0.58 0 1028 1281 Overcast 96% cloud 12:00 1 87 2 1 1B W 0.04 0 1028 1046 Overcast 91% cloud 15:00 0.2 95 4 2 1B S 0.09 0 1028 791 Overcast 81% cloud 18:00 -0.1 90 5 3 1B S 0 0 1028 < 738 Cloudy 72% cloud 21:00 -0.3 87 5 3 1B S 0 0 1029 < 738 Cloudy 64% cloud Wednesday, 11/11 00:00 5 64 4 2 1B W 0 0 1031 1677 Cloudy 64% cloud 03:00 7.4 57 7 4 2B NW 0 0 1029 1937 Clear 10% cloud 06:00 7.2 59 6 3 2B N 0 0 1030 2005 Clear 1% cloud |
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Forecast notes
Forecast table times: UTC.
Coordinates: 36.9225159°N, 137.8865279°E · Requested elevation: 734 m. Model terrain: 735 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.