Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Iwaya Dam Heliport
Closest report is Shinshu-Matsumoto Airport, 44.4 nm (82.2 km) ENE.
2026/09/27 04:00 (retrieved 38 minutes ago)
RJAF 270400Z VRB03KT 9999 FEW010 SCT015 BKN025 19/16 Q1011
Closest aviation forecast (TAF) to Iwaya Dam Heliport
Closest forecast is Komatsu Airport / JASDF Komatsu Air Base, 52.7 nm (97.6 km) NW.
2026/09/27 00:00 (retrieved 5 hours ago)
TAF RJNK 262305Z 2700/2806 31006KT 9999 FEW030 BECMG 2704/2706 05004KT BECMG 2712/2715 21012KT TEMPO 2718/2803 4000 -TSRA BR FEW008 BKN015 FEW020CB TEMPO 2803/2806 4000 -SHRA BR