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.
2026/05/22 15:53 (retrieved 1 hour ago)
KHLN 221553Z 10SM CLR 10/01 A3002 RMK AO2 SLP174 T01000011
Closest aviation forecast (TAF) to Duncan Airport
Closest forecast is Helena Regional Airport, 8.2 nm (15.2 km) ENE.
2026/05/22 12:22 (retrieved 5 hours ago)
TAF KHLN 221120Z 2212/2312 00000KT P6SM BKN070 FM221500 VRB05KT P6SM SCT090