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.
2026/05/23 06:40 (retrieved 5 hours ago)
TAF KMWH 230537Z 2306/2406 15006KT P6SM SKC FM230800 02004KT P6SM FEW080 SCT200 FM231500 17005KT P6SM FEW250 FM232000 22012KT P6SM FEW250 FM240300 28010G20KT P6SM SKC