Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Duncan Airport
Closest report is Helena Regional Airport, 8.2 nm (15.2 km) ENE.
2026/05/01 15:53 (retrieved 22 minutes ago)
KHLN 011553Z 00000KT 10SM CLR 08/M02 A3017 RMK AO2 SLP230 T00831017
Closest aviation forecast (TAF) to Duncan Airport
Closest forecast is Helena Regional Airport, 8.2 nm (15.2 km) ENE.
2026/05/01 12:22 (retrieved 4 hours ago)
TAF KHLN 011120Z 0112/0212 VRB06KT P6SM SKC FM012000 29008KT P6SM SCT250