Forecast for station KBOS, forecast created on 201124Z, covering the period from 05/20 12:00Z to 05/21 18:00Z... Forecast calls for wind from 230° at 9 knots. Visibility unlimited. Overcast clouds at 500 feet... From 05/20 14:00Z expect wind from 250° at 8 knots. Visibility unlimited. Broken clouds at 1000 feet... From 05/20 16:00Z expect wind from 250° at 8 knots. Visibility unlimited. Broken clouds at 4500 feet... From 05/20 19:00Z expect vicinity thunderstorms. Wind from 240° at 8 knots. Visibility unlimited. Broken cumulonimbus clouds at 4500 feet... From 05/20 21:00Z expect vicinity thunderstorms. Wind from 290° at 8 knots. Visibility unlimited. Broken cumulonimbus clouds at 4500 feet... From 05/20 23:00Z expect wind from 360° at 5 knots. Visibility unlimited. Broken clouds at 2500 feet... From 05/21 03:00Z expect mist. Wind from 90° at 6 knots. Visibility 0.75 miles. Broken clouds at 800 feet... From 05/21 16:00Z expect wind from 100° at 10 knots. Visibility unlimited. Overcast clouds at 800 feet...