Forecast for station KIAD, forecast created on 040856Z, covering the period from 06/04 09:00Z to 06/05 12:00Z... Forecast calls for variable winds at 3 knots. Visibility unlimited. Few clouds at 13000 feet... From 06/04 13:00Z expect wind from heading 310° at 13 knots gusting to 22 knots. Visibility unlimited. Scattered clouds at 6000 feet... From 06/04 19:00Z expect wind from heading 340° at 10 knots gusting to 17 knots. Visibility unlimited. Broken clouds at 7000 feet... From 06/05 00:00Z expect wind from heading 360° at 6 knots. Visibility unlimited. Broken clouds at 6000 feet. Broken clouds at 10000 feet...