Improved Weather Data Pack (1.21.11, 1.20.1) – Enhanced Weather Conditions
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January 4, 2026
Improved Weather Data Pack (1.21.11, 1.20.1) adds dynamic weather systems to Minecraft, introducing new conditions such as sandstorms, and improving existing weather for a more immersive experience. Enjoy playing this data pack!
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Features:
Weather Features by Biome
- Snowy Biomes
- Snow layers build up over time during snowfall.
- Snow accumulates faster during thunderstorms.
- Snow melts in clear weather if light level is above
11. - Snow melts faster in dry biomes and slower in snowy biomes.
- Farmland turns into dirt when covered by snow.
- Lava cools down during snow.
- Players and mobs take freezing damage during snowstorms.
- No damage if light level is above
11. - No damage when wearing a leather chestplate.
- No damage if light level is above
- Desert Biomes
- Sandstorms during rain.
- Severe sandstorms and sand tornadoes during thunderstorms.
- Certain entities are immune to sandstorm effects:
- Breezes
- Rabbits
- Camels
- Entities wearing leather helmets
- Jungle, Beach, Lush Cave, Dripstone Cave, River, Ocean, Swamp
- Mist appears during clear mornings.
- Ocean waves during clear weather.
- Flooding during rain.
- Massive floods during thunderstorms.
- Savanna & Badlands
- Fires and frequent lightning during daytime rain.
- Massive fires and lightning during daytime thunderstorms.
- Effects apply to blocks mineable with shovels and hoes.
Additional Features
- Fireflies
- Spawn near rivers and in swamps.
- Appear at night during clear weather.
- Campfires
- Regular campfires are extinguished by rain.
- Soul campfires are extinguished much less often.
- Improved Rain & Snow (Resource Pack)
- Rain has fewer particles and a lighter, more transparent look.
- Snow particles are more transparent.
Commands:
- Open menu
/function .menu:mcs_weather - Summon weather-related entities
/function .summon:mcs_weather/"entity_name" - Uninstall mode
/function .uninstall_mode:mcs_weather
Screenshots:









How to install:
- Please visit the following link for full instructions: How To Download & Install Data Packs
- Don’t miss out on today’s latest Minecraft Data Packs!
Improved Weather Data Pack (1.21.10, 1.20.1) Download Links
For Minecraft 1.19.4
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1 – Download from Server 2
For Minecraft 1.20.1, 1.20
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1 – Download from Server 2
For Minecraft 1.20.2
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1 – Download from Server 2
For Minecraft 1.20.4
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1 – Download from Server 2
For Minecraft 1.21.1, 1.21
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1 – Download from Server 2
For Minecraft 1.21.3
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1
For Minecraft 1.21.4
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1
For Minecraft 1.21.5
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1
For Minecraft 1.21.8, 1.21.7, 1.21.6
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1
For Minecraft 1.21.10, 1.21.9
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1
For Minecraft 1.21.11
Data Pack: Download from Server 1 – Download from Server 2
Resource Pack: Download from Server 1