Forecast for station KIAD, forecast created on 280525Z, covering the period from 05/28 06:00Z to 05/29 12:00Z... Forecast calls for wind from heading 230° at 5 knots. Visibility unlimited. Scattered clouds at 12000 feet. Broken clouds at 15000 feet... From 05/28 06:30Z expect light rain. Wind from heading 250° at 10 knots. Visibility 5 miles. Broken clouds at 5000 feet... From 05/28 08:00Z expect wind from heading 200° at 3 knots. Visibility unlimited. Scattered clouds at 6000 feet. Broken clouds at 12000 feet... From 05/28 10:00Z expect mist. Wind from heading 190° at 3 knots. Visibility 3 miles. Broken clouds at 1500 feet... From 05/28 13:00Z expect wind from heading 220° at 8 knots. Visibility unlimited. Few clouds at 3500 feet... From 05/28 19:00Z expect wind from heading 200° at 7 knots. Visibility unlimited. Scattered clouds at 5000 feet... From 05/29 02:00Z expect wind from heading 190° at 5 knots. Visibility unlimited. Broken clouds at 25000 feet...