Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Iwaya Dam Heliport
Report is more than 2 hours old.
Closest report is Shinshu-Matsumoto Airport, 44.4 nm (82.2 km) ENE.
2026/09/06 09:00 (retrieved 3 hours ago)
RJAF 060900Z 20003KT 9999 -RA FEW015 SCT020 BKN040 19/18 Q1014
Closest aviation forecast (TAF) to Iwaya Dam Heliport
Closest forecast is Komatsu Airport / JASDF Komatsu Air Base, 52.7 nm (97.6 km) NW.
2026/09/06 06:00 (retrieved 6 hours ago)
TAF RJNK 060505Z 0606/0712 02010KT 9999 FEW050 BKN080 BECMG 0610/0612 11004KT BECMG 0621/0700 01010KT BECMG 0709/0712 11004KT