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.
2026/07/23 04:04 (retrieved 44 minutes ago)
KHLN 230404Z AUTO 14010KT 10SM VCTS SCT085 26/15 A3003 RMK AO2 LTG DSNT NE T02560150
Closest aviation forecast (TAF) to Duncan Airport
Closest forecast is Helena Regional Airport, 8.2 nm (15.2 km) ENE.
2026/07/23 04:03 Ammendment (retrieved 45 minutes ago)
TAF AMD KHLN 230400Z 2304/2324 VRB04KT P6SM BKN100 TEMPO 2304/2306 VRB15G25KT 3SM -TSRA SCT035 OVC070CB FM230800 VRB06KT P6SM SCT100