This is my first Weather team so Im hoping i did good
Hippowdon(F) @Muscle band

Role: Weather
Sand stream
Adamant(+Atk, -SpAtk)
252 Atk, 126 Def, 126 Hp, 4 SpDef
Earthquake- STAB
Ice Fang- For anything that isnt affected by Earthquake
Stealth rock- He has the Defense to set these up
Slack Off- Recovery
Excadrill(M) @Focus Sash

Role: Sweeper
Sand Rush
Adamant(+Atk, -SpAtk)
252 Atk, 252 Spd, 4 Hp
Earthquake- STAB
X-Scissor- Coverage
Rock Slide- More coverage
Swords Dance- Boosts his already Amazing Attack
Gastrodon(F) @Sitrus Berry

Role: Switch In / Special Attacker
Storm Drain
Relaxed(+Def, -Spd)
252 Hp, 128 Def, 128 SpDef
Earth Power- STAB + chance to Lower SpDef
Scald- STAB + chance to Burn
Stockpile- Boosts Both Defenses
Recover- Recovery
Flygon(M) @Expert Belt

Role: Fast Physical Attacker
Levitate
Jolly (+Spd, -SpAtk)
252 Atk, 252 Spd, 4 HP
Dragon Claw- STAB
Earthquake- STAB
Thunderpunch- Coverage
Stone Edge-Deals with Ice + a Few More
Reuniclus(F) @Life Orb

Role: Special Tank
Magic Guard
Modest (+SpAtk, -Atk)
252 Hp, 128 Def, 128 SpAtk
Hidden Power (Fire)- Deals with any Grass Types who try to attack Gastrodon or Hippowdon
Psychic- STAB
Focus Blast- Deals with Dark Types
Shadow Ball- Deals with other Psychic Types
Registeel(N/A) @Leftovers

Role: Mixed Wall
Clear Body
Careful(+SpDef, -SpAtk)
128 Hp, 128 Def, 252 SpDef
Toxic- Bad Status
Rest- Full Heal
Protect- Stalls Toxic and Leftovers
Seismic Toss- Set 100 Damage Every Time
There is NO special tier for this team. I will change anything.
Thanks :D