Sign In with AppleBy using Snow-Forecast, you agree to our Terms & Services.
Don't have an account? Join now
Nanao Korosa Weather (Next 3 days): The snow forecast for Nanao Korosa is: Heavy rain (total 40.0mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Thu night. Very mild (max 10°C on Wed morning, min 1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the W by Thu night).
Nanao Korosa Weather (Days 4-6): A light covering of new snow, mostly falling on Sat morning. Becoming milder with light rain (total 7.0mm) on Sat night. Freeze-thaw conditions (max 5°C on Sun morning, min -3°C on Fri afternoon). Winds decreasing (strong winds from the NW on Fri morning, calm by Fri night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 7 |  | ||||
| Bottom Lift: | 7 | |
Latest snow reports near Nanao Korosa:
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | | | |  | | |  | | |
clear | some clouds | light rain | light rain | light rain | heavy rain | mod. rain | mod. rain | light snow | light snow | light snow | light snow | light snow | cloudy | light snow | light rain | rain shwrs | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 2 | 1 | 2 | 3 | 1 | — | 1 | — | — | — | |
— | — | 1 | 1 | 4 | 12 | 6 | 7 | 9 | — | — | — | — | — | 2 | 3 | 2 | — | |
max °C | 6 | 7 | 8 | 10 | 9 | 9 | 8 | 7 | 6 | -1 | -3 | -3 | 0 | 1 | 3 | 5 | 5 | 4 |
min °C | 5 | 6 | 7 | 10 | 9 | 9 | 7 | 6 | 1 | -2 | -3 | -3 | -3 | -1 | -1 | 4 | 3 | 3 |
1 | 5 | 5 | 8 | 7 | 8 | 6 | 3 | -6 | -10 | -11 | -10 | -5 | -3 | -4 | 0 | 0 | 0 | |
66 | 57 | 69 | 76 | 95 | 97 | 94 | 93 | 63 | 72 | 73 | 84 | 91 | 56 | 76 | 72 | 72 | 68 | |
1600 | 2100 | 2200 | 2400 | 2250 | 2200 | 1850 | 1450 | 750 | 200 | 0 | 0 | 0 | 400 | 350 | 850 | 900 | 1000 | |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:42 | — |
Heavy rain (total 40.0mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Thu night. Very mild (max 10°C on Wed morning, min 1°C on Thu night). Winds increasing (calm on Wed night, strong winds from the W by Thu night).
A light covering of new snow, mostly falling on Sat morning. Becoming milder with light rain (total 7.0mm) on Sat night. Freeze-thaw conditions (max 5°C on Sun morning, min -3°C on Fri afternoon). Winds decreasing (strong winds from the NW on Fri morning, calm by Fri night).
Latest snow reports near Nanao Korosa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 12 Dec 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Nanao Korosa at the specific elevation of 320 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Nanao Korosa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest