Make it Snow/Custom

summon FallingSand ~ ~1.5 ~ {

Motion:[0.0,-1.0,0.0],Time:1,DropItem:0,Block:redstone_block,Passengers:[
{id:FallingSand,Time:1,DropItem:0,Block:activator_rail},
{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},
{id:MinecartCommandBlock,Command:gamerule logAdminCommands false},
{id:MinecartCommandBlock,Command:/tellraw @a ["",{"text":"Hey, Bdubs! ","color":"dark_green"},{"text":"Make it Snow ","color":"gold","italic":true},{"text":"Mk. I has been installed. It should now snow in your snow kingdom most of the time.\nIf you want to change the rates, or just uninstall, tweet me @SharpieQuantum.","color":"dark_green","italic":false}]},
{id:MinecartCommandBlock,Command:fill ~-1 0 ~-1 ~6 2 ~3 bedrock 0 hollow},
{id:MinecartCommandBlock,Command:/summon ArmorStand ~ 1 ~ {CustomName:"Snow",CustomNameVisible:0,Marker:1b,Invisible:1,NoGravity:1}},
{id:MinecartCommandBlock,Command:setblock ~0 1 ~0 hopper 3 replace},
{id:MinecartCommandBlock,Command:setblock ~0 1 ~1 hopper 2 replace {Items:[0:{Slot:0b,id:"minecraft:log",Count:1b,Damage:0s}]}},
{id:MinecartCommandBlock,Command:setblock ~1 1 ~1 unpowered_comparator 1},
{id:MinecartCommandBlock,Command:setblock ~2 1 ~1 command_block 0 replace {Command:"blockdata ~-2 ~ ~ {TransferCooldown:1200}",TrackOutput:0b}},
{id:MinecartCommandBlock,Command:setblock ~2 1 ~0 dropper 5 replace {Items:[0:{Slot:0b,id:"minecraft:bow",Count:1b,Damage:0s},1:{Slot:1b,id:"minecraft:log",Count:1b,Damage:3s},2:{Slot:2b,id:"minecraft:log",Count:1b,Damage:0s},3:{Slot:3b,id:"minecraft:log",Count:1b,Damage:1s}]}},
{id:MinecartCommandBlock,Command:setblock ~3 1 ~0 hopper 4 replace},
{id:MinecartCommandBlock,Command:setblock ~3 1 ~1 unpowered_comparator 2},
{id:MinecartCommandBlock,Command:fill ~3 1 ~2 ~4 1 ~2 redstone_wire},
{id:MinecartCommandBlock,Command:setblock ~5 1 ~2 command_block 0 replace {Command:"execute @p[x=-885,z=-50,r=200] ~ ~ ~ weather rain",TrackOutput:0b}},
{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=0]}
	]

}