Not every biome is the same and neither should their weather be. Regional Weather controls it's effects with the local climate in mind. Experience the humid air of the rain forest and harsh desert sandstorms.

Assets

Particles

Rain sounds: CC0 by Q.K., taken from mymonths at https://github.com/minetest-mods/mymonths/tree/master/sounds
Snow flake and rain drop textures: CC BY-SA (3.0) by paramat, found in snowdrift mod at https://github.com/paramat/snowdrift
Snow texture: CC BY-SA (3.0) composited from individual snow flakes by paramat.
Rain texture: CC BY-SA (3.0) from TeddyDesTodes, taken from his weather branch at https://github.com/TeddyDesTodes/minetest/tree/weather

Block Textures

Puddle texture: DWYWPL by Don, Nathan from mymonths at https://github.com/minetest-mods/mymonths/blob/master/textures/weather_puddle.png
Snow cover texture: WTFPL, taken from mymonths at https://github.com/minetest-mods/mymonths/blob/master/textures/weather_snow_cover.png

Sounds

Wind sound: CC BY (3.0) by InspectorJ from https://freesound.org/people/InspectorJ/sounds/376415/
Hail sound: CC0 by ikayuka from https://freesound.org/people/ikayuka/sounds/240742/

HUD Overlays

Original texture for frost hud: CC0 by Simon Matzinger from https://freestocktextures.com/texture/winter-snow-frozen,995.html, edits by me under CC0 as well
Original texture for sandstorm hud: CC0 from https://freestocktextures.com/texture/dirty-baking-paper,1202.html, edits by me under CC0 as well

Assets in screenshots

All screenshots and editing by me: CC BY-SA (4.0)
Lato Font (for the Logo): OFL by Łukasz Dziedzic from http://www.latofonts.com/lato-free-fonts/
Liberation Fonts (for the text): OFL, see https://github.com/liberationfonts/liberation-fonts
Used texture pack: Polygonia (128px edition) CC BY-SA (4.0) by Lokrates. See https://forum.minetest.net/viewtopic.php?f=4&t=19043