ACROSS
4. The flashes of light that are produced in the sky during a storm
 → LIGHTNING
5. A small, soft piece of frozen water that falls from the sky as snow
 → SNOWFLAKE
6. A long period of time during which there is very little or no rain
 → DROUGHT
7. A severe snowstorm that goes on for a long time
 → BLIZZARD
8. An extremely large, powerful, and destructive storm with very strong winds that occurs especially in the western part of the Atlantic Ocean
 →HURRICANE


DOWN
1. Covered with clouds, covered with clouds
 → CLOUDAGE
2. A stream of liquid in the form of very small drops, a fine spray
 → MIST
3. A storm with a large amount of falling snow
 → SNOWSTORM
7. A gentle wind
 → BREEZE