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.
2026/09/03 12:22 (retrieved 18 seconds ago)
TAF KMWH 031120Z 0312/0412 16010KT P6SM SCT080 FM031600 19009KT P6SM FEW060 FM032000 19010G18KT P6SM SCT100 FM040000 19008KT P6SM SCT100 FM040200 19005KT P6SM FEW070 FM040500 VRB03KT P6SM SCT110