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.
2026/09/17 05:53 (retrieved 26 minutes ago)
KHLN 170553Z 25006KT 7SM CLR 11/06 A3021 RMK AO2 SLP239 T01110061 10200 20111 51003
Closest aviation forecast (TAF) to Duncan Airport
Closest forecast is Helena Regional Airport, 8.2 nm (15.2 km) ENE.
2026/09/17 06:45 (retrieved 0 seconds ago)
TAF KHLN 170542Z 1706/1806 VRB06KT P6SM SCT150 FM172000 VRB05KT P6SM SCT070 BKN120 PROB30 1800/1802 VRB15G30KT 5SM -TSRA OVC070CB