The forecast calls for frowns.
Stormy dance is a Uncommon Fortnite Emote. This emote is one of the Fortnite Battle Pass cosmetics in Chapter 2 Season 3. It was available once you have reached Tier 94.
The gesture Stormy belongs to Chapter 2 Season 3. This gesture was available as a reward by unlocking Level 94 of Battle Pass from Chapter 2 Season 3.