Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Grand Coulee Dam Airport
(retrieved 0 seconds ago)
Closest aviation forecast (TAF) to Grand Coulee Dam Airport
Closest forecast is Grant County International Airport, 43.9 nm (81.4 km) SSW.
2026/03/18 12:36 (retrieved 0 seconds ago)
TAF KMWH 181135Z 1812/1912 21008KT P6SM BKN150 OVC200 FM181900 22012G19KT P6SM OVC100 FM190400 21008KT P6SM OVC120