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.
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 13.3 77 1 1 0B S — — 1011 3057 Partly cloudy 35% cloud 09:00 9.4 93 3 2 1B SW 0 0 1010 3050 Partly cloudy 38% cloud 12:00 9.3 92 4 2 1B W 0.04 0 1008 3038 Overcast 95% cloud 15:00 8.1 92 5 3 1B SW 0.12 0 1006 3022 Partly cloudy 46% cloud 18:00 8 91 9 5 2B W 0.06 0 1004 3005 Cloudy 52% cloud 21:00 7.6 93 10 5 2B W 0.06 0 1005 3007 Partly cloudy 31% cloud Friday, 06/11 00:00 14.1 73 11 6 2B W 0.05 0 1008 3019 Partly cloudy 21% cloud 03:00 16.9 45 19 10 3B W 0 0 1007 3020 Clear 12% cloud 06:00 16.2 41 19 10 3B W 0 0 1008 3025 Partly cloudy 21% cloud 09:00 10.5 62 12 6 2B W 0 0 1011 3016 Clear 11% cloud 12:00 8 69 12 7 2B W 0 0 1014 2727 Clear 16% cloud 15:00 6 74 11 6 2B W 0 0 1015 2313 Partly cloudy 30% cloud 18:00 4.9 76 12 7 3B W 0.02 0 1016 1927 Partly cloudy 46% cloud 21:00 4.6 75 12 6 2B W 0 0 1018 1765 Cloudy 56% cloud Saturday, 07/11 00:00 8.5 50 16 9 3B W 0.05 0 1019 2001 Cloudy 58% cloud 03:00 9.5 45 22 12 4B W 0 0 1019 2044 Partly cloudy 45% cloud 06:00 7.4 49 22 12 4B W 0.02 0 1022 1842 Cloudy 58% cloud 09:00 4.2 59 15 8 3B W 0 0 1025 1613 Partly cloudy 23% cloud 12:00 2.3 67 11 6 2B W 0 0 1028 1583 Partly cloudy 29% cloud 15:00 1.3 73 9 5 2B W 0 0 1029 1785 Partly cloudy 31% cloud 18:00 0.7 75 10 5 2B W 0 0 1030 1852 Partly cloudy 39% cloud 21:00 0.8 74 10 5 2B W 0 0 1032 1541 Partly cloudy 38% cloud Sunday, 08/11 00:00 5.1 60 10 6 2B W 0 0 1032 2540 Cloudy 57% cloud 03:00 9 47 8 4 2B NW 0 0 1029 2580 Cloudy 57% cloud 06:00 8.3 50 4 2 1B NW 0 0 1029 2611 Partly cloudy 42% cloud 09:00 4 72 2 1 1B W 0 0 1031 2367 Partly cloudy 46% cloud 12:00 3.2 76 2 1 1B W 0 0 1032 2220 Overcast 84% cloud 15:00 3.3 76 1 1 1B S 0 0 1030 2335 Overcast 85% cloud 18:00 2.3 79 1 1 0B W 0 0 1028 2358 Overcast 86% cloud 21:00 3.6 75 1 1 1B SW 0.02 0 1027 2441 Overcast 94% cloud Monday, 09/11 00:00 6.9 64 2 1 1B E 0 0 1026 2474 Overcast 91% cloud 03:00 9.3 60 1 1 0B S 0.04 0 1022 2492 Overcast 89% cloud 06:00 9.9 60 1 1 0B E 0 0 1020 2559 Clear 19% cloud 09:00 5.2 87 1 0 0B NW 0 0 1021 2381 Partly cloudy 49% cloud 12:00 4.8 87 6 3 1B NW 0.04 0 1021 2210 Cloudy 69% cloud 15:00 4.5 86 11 6 2B W 0.11 0 1021 1833 Cloudy 68% cloud 18:00 3.4 78 13 7 3B W 0 0 1022 1803 Cloudy 52% cloud 21:00 1.8 77 13 7 3B W 0 0 1023 1621 Partly cloudy 27% cloud Tuesday, 10/11 00:00 4.7 59 15 8 3B W 0.04 0 1024 1434 Partly cloudy 22% cloud 03:00 7.3 49 14 7 3B W 0 0 1022 1695 Partly cloudy 20% cloud 06:00 6.3 51 13 7 3B NW 0 0 1023 1650 Clear 17% cloud 09:00 1.7 71 9 5 2B NW 0 0 1025 1582 Clear 18% cloud 12:00 -0.5 80 6 3 2B W 0 0 1027 < 824 Clear 18% cloud 15:00 -1.3 81 5 3 1B W 0 0 1027 < 824 Clear 6% cloud 18:00 -1.8 83 5 3 1B W 0 0 1028 < 824 Clear 8% cloud 21:00 -1.9 83 5 3 1B W 0 0 1029 < 824 Clear 12% cloud Wednesday, 11/11 00:00 3.4 61 3 2 1B W 0 0 1030 1453 Clear 7% cloud 03:00 7.6 48 4 2 1B NW 0 0 1027 1853 Clear 2% cloud 06:00 7.7 47 2 1 1B NW 0 0 1027 2027 Clear 0% cloud |
|---|
Forecast table times: UTC.
Coordinates: 36.3368991°N, 138.6378567°E · Requested elevation: 941 m. Model terrain: 822 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
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.

Prince Hotels and Resorts Karuizawa is a downhill ski area in Gunma Prefecture, Japan. Mapped terrain includes easy, intermediate, advanced routes. Its mapped lift network extends from approximately 941 to 1156 metres above sea level.
Data: OpenSkiData / OpenSkiMap, OpenStreetMap contributors (ODbL), Skimap.org, Who's On First, Mapterhorn.
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 13.3 77 1 1 1B SW — — 1011 3057 Partly cloudy 35% cloud 09:00 9.3 93 3 2 1B SW 0 0 1010 3050 Partly cloudy 38% cloud 12:00 9.3 92 4 2 1B W 0.04 0 1008 3038 Overcast 95% cloud 15:00 8.1 92 5 3 1B W 0.12 0 1006 3022 Partly cloudy 46% cloud 18:00 8 91 9 5 2B W 0.06 0 1004 3005 Cloudy 52% cloud 21:00 7.5 93 10 6 2B W 0.06 0 1005 3007 Partly cloudy 31% cloud Friday, 06/11 00:00 14.1 73 11 6 2B W 0.05 0 1008 3019 Partly cloudy 21% cloud 03:00 16.9 44 20 11 3B W 0 0 1007 3020 Clear 12% cloud 06:00 16.1 41 19 10 3B W 0 0 1008 3025 Partly cloudy 21% cloud 09:00 10.4 62 12 6 2B W 0 0 1011 3017 Clear 11% cloud 12:00 8 69 12 7 2B W 0 0 1014 2728 Clear 16% cloud 15:00 5.9 74 11 6 2B W 0 0 1015 2314 Partly cloudy 31% cloud 18:00 4.8 76 13 7 3B W 0.02 0 1016 1929 Partly cloudy 46% cloud 21:00 4.5 75 12 6 2B W 0 0 1018 1765 Cloudy 55% cloud Saturday, 07/11 00:00 8.5 50 16 9 3B W 0.05 0 1019 2002 Cloudy 58% cloud 03:00 9.5 45 22 12 4B W 0 0 1019 2046 Partly cloudy 45% cloud 06:00 7.3 49 22 12 4B W 0.02 0 1022 1842 Cloudy 57% cloud 09:00 4.1 59 16 8 3B W 0 0 1025 1614 Partly cloudy 23% cloud 12:00 2.3 67 12 6 2B W 0 0 1028 1584 Partly cloudy 29% cloud 15:00 1.3 73 9 5 2B W 0 0 1029 1783 Partly cloudy 31% cloud 18:00 0.7 74 10 5 2B W 0 0 1030 1847 Partly cloudy 39% cloud 21:00 0.8 74 10 5 2B W 0 0 1032 1537 Partly cloudy 38% cloud Sunday, 08/11 00:00 5.1 60 11 6 2B W 0 0 1032 2537 Cloudy 57% cloud 03:00 8.9 47 8 4 2B NW 0 0 1029 2578 Cloudy 57% cloud 06:00 8.2 50 4 2 1B NW 0 0 1029 2610 Partly cloudy 43% cloud 09:00 3.9 72 2 1 1B W 0 0 1031 2365 Partly cloudy 46% cloud 12:00 3.2 76 2 1 1B W 0 0 1032 2218 Overcast 84% cloud 15:00 3.3 76 2 1 1B S 0 0 1030 2332 Overcast 85% cloud 18:00 2.3 79 1 1 1B SW 0 0 1028 2356 Overcast 87% cloud 21:00 3.6 74 2 1 1B SW 0.02 0 1027 2441 Overcast 94% cloud Monday, 09/11 00:00 6.9 64 2 1 1B SE 0 0 1026 2473 Overcast 91% cloud 03:00 9.3 60 1 1 1B S 0.04 0 1022 2491 Overcast 89% cloud 06:00 9.8 60 1 0 0B E 0 0 1020 2558 Clear 20% cloud 09:00 5.2 86 1 0 0B NW 0 0 1021 2380 Partly cloudy 50% cloud 12:00 4.8 87 6 3 2B NW 0.04 0 1021 2209 Cloudy 69% cloud 15:00 4.4 85 11 6 2B NW 0.11 0 1021 1832 Cloudy 68% cloud 18:00 3.4 77 14 7 3B W 0 0 1022 1804 Cloudy 52% cloud 21:00 1.8 76 14 7 3B W 0 0 1023 1622 Partly cloudy 27% cloud Tuesday, 10/11 00:00 4.6 59 15 8 3B W 0.04 0 1024 1433 Partly cloudy 22% cloud 03:00 7.2 49 14 7 3B W 0 0 1022 1693 Partly cloudy 20% cloud 06:00 6.3 51 13 7 3B NW 0 0 1022 1647 Clear 17% cloud 09:00 1.7 70 9 5 2B NW 0 0 1025 1580 Clear 19% cloud 12:00 -0.5 80 6 3 2B W 0 0 1027 < 823 Clear 18% cloud 15:00 -1.3 80 5 3 1B W 0 0 1027 < 823 Clear 6% cloud 18:00 -1.8 82 5 3 1B W 0 0 1028 < 823 Clear 8% cloud 21:00 -1.9 83 5 3 1B W 0 0 1029 < 823 Clear 12% cloud Wednesday, 11/11 00:00 3.4 61 3 2 1B W 0 0 1030 1452 Clear 7% cloud 03:00 7.5 48 4 2 1B NW 0 0 1027 1850 Clear 2% cloud 06:00 7.6 47 2 1 1B NW 0 0 1027 2025 Clear 0% cloud |
|---|
Forecast table times: UTC.
Coordinates: 36.3389802°N, 138.640202°E · Requested elevation: 950 m. Model terrain: 821 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
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.
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 12.3 75 7 4 2B SW — — 1011 3057 Partly cloudy 34% cloud 09:00 8.8 90 9 5 2B SW 0 0 1010 3051 Partly cloudy 37% cloud 12:00 8.8 89 10 6 2B W 0.03 0 1008 3038 Overcast 95% cloud 15:00 7.6 91 12 7 2B W 0.11 0 1006 3022 Partly cloudy 46% cloud 18:00 7.4 89 17 9 3B W 0.06 0 1004 3005 Cloudy 52% cloud 21:00 6.9 89 17 9 3B W 0.05 0 1005 3007 Partly cloudy 31% cloud Friday, 06/11 00:00 12.9 71 17 9 3B W 0.05 0 1008 3019 Partly cloudy 21% cloud 03:00 15.4 44 25 14 4B W 0 0 1007 3020 Clear 12% cloud 06:00 14.6 41 24 13 4B W 0 0 1008 3025 Partly cloudy 20% cloud 09:00 9.4 59 17 9 3B W 0 0 1011 3030 Clear 10% cloud 12:00 7.1 65 18 9 3B W 0 0 1013 2743 Clear 15% cloud 15:00 5.1 71 17 9 3B W 0 0 1015 2331 Partly cloudy 29% cloud 18:00 3.9 73 19 10 3B W 0.02 0 1016 1942 Partly cloudy 45% cloud 21:00 3.4 74 20 11 3B W 0 0 1018 1773 Cloudy 54% cloud Saturday, 07/11 00:00 6.8 51 24 13 4B W 0.05 0 1019 2007 Cloudy 56% cloud 03:00 7.7 46 29 16 5B W 0 0 1019 2050 Partly cloudy 45% cloud 06:00 5.3 53 29 16 5B W 0.02 0 1022 1857 Cloudy 57% cloud 09:00 2.8 59 23 12 4B W 0 0 1025 1641 Partly cloudy 22% cloud 12:00 1.7 64 18 10 3B W 0 0 1027 1621 Partly cloudy 27% cloud 15:00 1.1 66 15 8 3B W 0 0 1029 1825 Partly cloudy 29% cloud 18:00 0.7 65 17 9 3B W 0 0 1030 1921 Partly cloudy 37% cloud 21:00 0.6 64 16 9 3B NW 0 0 1032 1683 Partly cloudy 36% cloud Sunday, 08/11 00:00 3.7 57 14 8 3B W 0 0 1032 2578 Cloudy 55% cloud 03:00 6.7 51 11 6 2B NW 0 0 1029 2587 Cloudy 57% cloud 06:00 6.4 52 6 3 2B NW 0 0 1028 2616 Partly cloudy 41% cloud 09:00 3.3 69 3 2 1B W 0 0 1031 2369 Partly cloudy 46% cloud 12:00 2.9 73 4 2 1B SW 0 0 1032 2221 Overcast 84% cloud 15:00 3.1 74 5 3 1B SW 0 0 1030 2336 Overcast 84% cloud 18:00 2.8 74 5 3 1B SW 0 0 1028 2358 Overcast 86% cloud 21:00 4.1 68 6 3 2B SW 0.02 0 1027 2445 Overcast 94% cloud Monday, 09/11 00:00 6.4 65 3 2 1B SW 0 0 1026 2477 Overcast 91% cloud 03:00 8.1 61 7 4 2B W 0.04 0 1022 2493 Overcast 89% cloud 06:00 8.8 61 4 2 1B W 0 0 1020 2561 Clear 18% cloud 09:00 5.5 79 2 1 1B NW 0 0 1021 2382 Cloudy 50% cloud 12:00 4.6 84 9 5 2B NW 0.04 0 1021 2214 Cloudy 68% cloud 15:00 3.4 84 16 9 3B NW 0.10 0 1021 1842 Cloudy 67% cloud 18:00 2.6 73 20 11 3B W 0 0 1022 1816 Partly cloudy 50% cloud 21:00 1.3 70 20 11 4B W 0 0 1023 1651 Partly cloudy 25% cloud Tuesday, 10/11 00:00 2.7 59 21 11 4B NW 0.05 0 1024 1437 Partly cloudy 20% cloud 03:00 4.8 55 17 9 3B NW 0 0 1022 1700 Clear 19% cloud 06:00 4.2 54 17 9 3B NW 0 0 1022 1659 Clear 16% cloud 09:00 1.2 66 15 8 3B NW 0 0 1025 1599 Clear 17% cloud 12:00 -0.2 71 10 5 2B W 0 0 1027 1510 Clear 17% cloud 15:00 -1 74 7 4 2B W 0 0 1027 < 802 Clear 6% cloud 18:00 -1.4 79 8 4 2B W 0 0 1028 < 802 Clear 8% cloud 21:00 -1.5 80 9 5 2B W 0 0 1029 < 802 Clear 12% cloud Wednesday, 11/11 00:00 2 65 7 4 2B W 0 0 1030 1450 Clear 7% cloud 03:00 5.3 54 7 4 2B NW 0 0 1027 1843 Clear 2% cloud 06:00 5.7 51 5 2 1B NW 0 0 1027 2022 Clear 0% cloud |
|---|
Forecast table times: UTC.
Coordinates: 36.3339879°N, 138.6487035°E · Requested elevation: 1156 m. Model terrain: 799 m. Terrain and 1000/925/850/700 hPa profiles are used for height estimates.
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.