Extreme Weather In Iceland: 

Wind Storms- 

Wind storms are common in Iceland. Storms there can often reach speeds in excess of 60 m/s. Extreme weather in Iceland. These storms rarely cause any significant damage on their own. Some secondary effects of these storms however are sea flooding and avalanches.

Iceland is kept warm by a branch of the gulf stream current that flows past the south and west shores. This warm current is Iceland's lifeblood, the reason the island enjoys warmer temperatures then it's northerly position might indicate. This does however create areas of pressure difference above the island, with cold air being drawn from the arctic to a low pressure center off of Iceland's east coast.  Iceland's average weather statistics.  These conditions feed high wind development across most of the island.

Snow storms-

Iceland does suffer from daunting, if not quite devastating, snowstorms. High winds and high levels of snowfall can cause massive transportation problems and cause people to remain in their homes for days at a time.  Snow storms in Iceland

Cyclones-
Extratropical cyclones are not unheard of in Iceland. The near constant area of low pressure on Iceland's east coast, the "icelandic low" as it's called, very regularly causes extratropical cyclones to form there, and sometimes make landfall on the island Icelandic cyclones