New Weather System Looks Pretty Neat

Wargroove is shaping up to be a neat little tactics game, and the game's recently announced weather system should make battles a little more harrowing and dynamic.
According to Chucklefish, the weather system consists of three weather types: sunny, windy, and severe. While the first two are self-explanatory, what "severe" depends on a particular map's biome, and can consist of rain, snow, or sandstorm (so no snow in the desert and now sandstorms in a forested village).
How do these effects chan