Forecast for station KIAD, forecast created on 142059Z, covering the period from 02/14 21:00Z to 02/16 00:00Z... Forecast calls for vicinity showers. Wind from heading 200° at 7 knots. Visibility unlimited. Overcast clouds at 7000 feet... From 02/14 23:00Z expect variable winds at 3 knots. Visibility unlimited. Overcast clouds at 4000 feet... From 02/15 07:00Z expect wind from heading 330° at 5 knots. Visibility unlimited. Broken clouds at 8000 feet... From 02/15 13:00Z expect wind from heading 320° at 8 knots. Visibility unlimited. Scattered clouds at 15000 feet...