Complex sentence: The weather on Shemya is very drastic though the temperatures only vary between single digits to the mid fifties the island weather is most likely to be cloudy with a mist and the wind is often in the mid 30s to 40 mph.
Split into simpler sentences: The weather on Shemya is very drastic, though the temperatures only vary between single digits to the mid fifties. The island weather is most likely to be cloudy with a mist and the wind is often in the mid 30s to 40 mph.