Active Weather Alerts
Thunderstorm Advisory
Issued: 1:59 AM Aug. 9, 2026 – Japan Meteorological Agency
気象警報・注意報（市町村等）・雷注意報・継続・竜巻・ひょう・雷・注意期間・開始時間：９日昼過ぎ・終了時間：９日夜遅く・
Local Radar
closegps_fixed
Elev 634 ft, 36.38 °N, 138.13 °E 
85 °F Muramatsu Station|Report|Change
Chiisagata District, Nagano, Japan Severe Weather Alertstar_ratehome
Report Station
Thank you for reporting this station. We will review the data in question.
You are about to report this weather station for bad data. Please select the information that is incorrect.