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Improved Weather Data pack for Minecraft 1.20.1, 1.21.1

This datapack improves weather and adds new weather conditions, like a sandstorm and other things!

On a server
downloads
1 downloads
views
21 views
Updated
Updated 19.10.2026

About the Improved Weather data pack

RESOURCEPACK IS OPTIONAL! === (For better rain and snow)

Main Information ===

  • Creator and Developer: [​MC Silver]
  • Minecraft Versions: 1.19.4+
  • WIKI Version: 26.3v1
  • For datapack developers: My datapack ignores all mobs that use data! (1.21.5+) \

For custom mobs, use data; for non-custom mobs, use tags/scores!

  • WARNING! (for PaperMC and PurpurMC Hosters): \

This datapack will only work correctly if you only change the below settings. \ Head over to your server, and go to "config/paper-world-defaults.yml" or "purpur.yml" file. \ Find this "allow-non-player-entities-on-scoreboards" and set that to true

Commands === All commands available to the player start with /function .

Menu

  • /function .menu:mcs_weather

Summon

  • /function .summon:mcs_weather/"entity_name"

Uninstall

  • /function .uninstall:mcs_weather

Features === Snow Biomes

  • Snow layer gets higher during the snow.
  • Snow increases faster during the thunder.
  • Snow melts during clear weather if the light level is higher than 11.
  • Snow melts 9 times faster in dry biomes.
  • Snow melts 5 times slower in snowy biomes and remains at layer 1.
  • Farmland converts into a dirt during the snow, if it contacts with snow.
  • Lava cools down during snow.
  • Player/Mob take freezing damage during the snowstorm. You won't take damage in areas which light is higher than 11 or if you wear leather chestplate.

Desert Biomes

  • Sandstorm. (Rain)
  • Strong Sandstorm + Sand Tornado. (Thunder)

[Breezes, Rabbits, Camels, Parcheds and Camel Husks and entities in leather helmet are immune to sandstorm effects]

Jungle, Beach, Lush and Dripstone Caves, River, Ocean, Swamp Biomes

  • Mist (Clear, at morning)
  • Waves (Clear, ocean only)
  • Flood (Rain)
  • Massive Flood (Thunder)

Savanna & Badlands Biomes

  • Fire, Common Lightnings (On shovel and hoe mineable blocks) (Rain, Daytime only)
  • Massive Fire, Common Lightnings (On shovel and hoe mineable blocks) (Thunder, Daytime only)

Fireflies

  • Fireflies spawn near rivers and in swamps during clear weather at night.

Campfires

  • Campfire is extinguished when it rains.
  • Soul Campfire is extinguished twice much rarer than regular campfire when it rains.

Better Rain and Snow [RP]

  • Rain: reduced rain particles, more transparent and whitish color [[Image]](https://cdn-raw.modrinth.com/data/2GqOYTAx/images/a8428ff53993d9a46e1970efbdb0507e233aa440.png)
  • Snow: more transparent

Links ===

  • Planetminecraft
  • Discord Channel
  • Patreon
  • PayPal
  • YouTube
Improved Weather — screenshot 2

How to install Improved Weather

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the data pack for Minecraft 1.20–26.3 automatically, together with its dependencies: Dependency.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Download the archive

    Pick the file improved-weather-26.3v1-dp.zip (96 KB) for your game version.

  2. New world: “Data Packs”

    When creating a world, click “Data Packs”, drag the archive into the window, then move it to “Selected”.

  3. Existing world: the datapacks folder

    Put the archive into saves/<world>/datapacks and type /reload in game.

On a server

  1. Archive goes into the server world’s datapacks

    The world/datapacks folder on the server; players do not need to install anything.

  2. Reload the data

    Type /reload in the server console or restart the server.

  3. Use the “To server” button

    On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.

Versions

With dependencies

MinecraftLoaderFileDateActions
26.3Data pack26.395.8 KB
26.2Data pack26.296 KB
26.1.1Data pack26.1.196 KB
1.21.11Data pack1.21.1197.1 KB 1
1.21Data pack1.2168.9 KB
1.20.1Data pack1.20.184.3 KB
26.2Data pack26.296 KB—
26.1Data pack26.196 KB—

What it needs to run

  • Dependencyrequired

FAQ

Which Minecraft versions does Improved Weather work on?

There are files for 1.20–26.3, 9 versions in total. The newest is 26.3.

Does Improved Weather work on a server?

Yes: the data pack goes into the datapacks folder of the server world, and players do not need to install anything.

What does Improved Weather need to work?

Required: Dependency. Without it the data pack will not start.

Where can I download Improved Weather safely?

On this page: the file improved-weather-26.3v1-dp.zip (96 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: f576b65317af77e81a69b01f1986edf2159bb61c.

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