According to the Kiso Village Office in Nagano Prefecture, the Miyazawa River, a tributary of the Kiso River, overflowed near the Kamide Bridge on the morning of the 15th, and as of 6:00 am, it was flooded to the extent that it could not be stopped by sandbags, and in multiple houses nearby. It means that underfloor inundation has been confirmed.

Currently, village office staff are visiting each house and calling for evacuation.