白馬岳快晴。残雪緩むが踏み抜き警戒

Hakuba-dake summit is experiencing clear skies with gentle winds. As of 7:00 AM, the summit temperature is 4.8°C, feeling like 1.4°C. The temperature difference from the base is 10.8°C. Temperatures are expected to rise throughout the day, reaching 12.7°C by noon. Perceived temperatures during activity will remain above freezing all day, becoming even more comfortable in the afternoon.

Snow depth is 109cm. With rising temperatures and sunlight, the snow will soften. Particularly on the Daisekkei (Great Snow Valley), one of Japan's three major snow valleys, the softening snow increases the risk of both slipping and post-holing. As snowmelt progresses in lower sections, unstable areas may increase. Therefore, light crampons should be carried throughout the day and worn as needed. Constant vigilance against rockfall is also necessary.

The risk of lightning, strong winds, and hypothermia is low. Wind speeds will remain around a maximum gust of 6.4m/s throughout the day, posing no hindrance to activity. Hypothermia can be avoided with appropriate layering. A moisture-wicking base layer, a fleece mid-layer, and a windproof shell as an outer layer are recommended, with frequent adjustments to regulate body temperature.

Clear skies will continue into the evening, and gentle winds will persist for a calm night. While favorable daytime conditions are expected to last, always exercise extreme caution when traveling on snowfields.