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.
2026/03/11 06:36 (retrieved 4 hours ago)
TAF KMWH 110534Z 1106/1206 18009KT P6SM SCT010 FM111200 19008KT P6SM BKN080 FM111600 20012G18KT P6SM BKN060 PROB30 1116/1121 -RA OVC060 FM112100 21017G31KT P6SM BKN080 FM120000 22018G32KT P6SM BKN090