Hail seems to be the least popular weathers. For one good reason in my opinion. It does not give any boosts to anything besides the 100% Blizzard means that many people want a weather that will better improve their team, rather than a single move.
This is basically the reason I built this team, to try out Hail. And to be honest I know why it hasn't been too successful in BW OU.
EDIT: No longer a Hail team, but I kept the name ;)
Team At A Glance
Analysis
Forretress (M) @ Leftovers Trait: Sturdy
EVs: 252 HP / 176 Def / 80 SDef
Relaxed Nature
- Toxic Spikes
- Spikes
- Gyro Ball
- Rapid Spin
Forretress replaces Weavile as my go to lead. His incredible Defenses let him take a plethora of hits from the likes of almost any physical sweeper. I decided on Forretress for the good Defenses and for Toxic Spikes and a Rapid Spinner. Forretress fills all of these roles and was hands down the best choice for this team. Both Spikes are for set-up, which I can usually get 2 layers of Toxic down, sometimes a few on regular spikes. Gyro Ball is for something that can actually hit the opponent. And the final move slot, one of the most important to me on the team, Rapid Spin. Lets me get rid of hazards and seeds which is very important to do in this day and age. His EVs are set up to take heaps of Physical punishment without losing on some Special Defenses too.
Chansey (F) @ Eviolite Trait: Natural Cure
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature (+Def, -Atk)
- Heal Bell
- Softboiled
- Seismic Toss
- Thunder Wave
CHAN-SEY!!! Eviolite Chansey replaces Pringles man and for good reason. Jelli was good at stopping physical stuff, but had more weaknesses than this. Chansey with Eviolite can absolutely stop anything that tries to attack it (except for that damned ConkleDURP). I needed a Heal Bell user due to the sheer amount of status that is inflicted to the Pokemon on my team. Any good Blissey/Chansey (as pointed out to me), needs a good healing move and I choose Softboiled. Softboiled allows me to get instant heals without Protect. Though the Wish utility is gone I still like this set. Seismic Toss lets me hit something and Thunder Wave helps, as suggested, to slow down enemies so my sweepers can kick in.
Horseshoe (Latios) (M) @ Choice Specs
Trait: Levitate
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Draco Meteor
- Hidden Power [Fire]
- Surf
- Trick
My Specs Latios. This thing is a monster against anything that isn't prepared for it. A Specs boosted Draco Meteor can easily KO common threats in the metagame. Hidden Power Fire is for the coverage and Surf is also for great coverage. I usually Trick more bulky or stall oriented pokemon, such as Blissey, Ferrothorn, or Skarmory. Not much else to say about this guy.
Thundurus (M) @ Life Orb Trait: Prankster
EVs: 4 Def / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Thunderbolt
- Taunt
- Hidden Power [Ice]
- Nasty Plot
Thundurus. The amazing Lightning Genie. This thing rips through stuff like you wouldn't imagine. He replaced Chancey (Chancey replaced Blissey) because I have a SDef wall in Jelli and a Defensive wall in Forrty. Thunderbolt is for the STAB. Taunt for any walls that I come across. HP Ice for the coverage against Dragons. And U-Turn so I can make a quick escape. Timid is for max Speed for U-Turn mostly.
Heatran (M) @ Air Balloon
Trait: Flash Fire
EVs: 252 HP / 252 SAtk / 4 Spd
Hardy Nature
- Earth Power
- Flamethrower
- Toxic
- Hidden Power [Fighting]
Good ole' Heatran. This thing is a beast with its balloon and can dish out some hard hits. Earth Power for a good Ground move, Flamethrower for a RELIABLE STAB. Fire Blast would just be to much of a risk to me. Toxic for another status inducer and I can usually get one off safely on the switch. Hidden Power Fighting for coverage.
Breloom (M) @ Toxic Orb Trait: Poison Heal
EVs: 252 Atk / 4 Def / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Substitute
- Focus Punch
- Seed Bomb
- Spore
Lol. This thing annoys people most of the time with SubPunch combo. If I am faster than them (which is usually the case) I'll Spore so they'll probably switch out for my free sub. After I Sub I can either hit with a hard hard Focus Punch or a Seed Bomb for things like Swampert and Vaporeon. Jolly Nature is to maximize Speed.
Changes
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Importable
This is basically the reason I built this team, to try out Hail. And to be honest I know why it hasn't been too successful in BW OU.
EDIT: No longer a Hail team, but I kept the name ;)
Team At A Glance






Analysis

Forretress (M) @ Leftovers Trait: Sturdy
EVs: 252 HP / 176 Def / 80 SDef
Relaxed Nature
- Toxic Spikes
- Spikes
- Gyro Ball
- Rapid Spin
Forretress replaces Weavile as my go to lead. His incredible Defenses let him take a plethora of hits from the likes of almost any physical sweeper. I decided on Forretress for the good Defenses and for Toxic Spikes and a Rapid Spinner. Forretress fills all of these roles and was hands down the best choice for this team. Both Spikes are for set-up, which I can usually get 2 layers of Toxic down, sometimes a few on regular spikes. Gyro Ball is for something that can actually hit the opponent. And the final move slot, one of the most important to me on the team, Rapid Spin. Lets me get rid of hazards and seeds which is very important to do in this day and age. His EVs are set up to take heaps of Physical punishment without losing on some Special Defenses too.

Chansey (F) @ Eviolite Trait: Natural Cure
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature (+Def, -Atk)
- Heal Bell
- Softboiled
- Seismic Toss
- Thunder Wave
CHAN-SEY!!! Eviolite Chansey replaces Pringles man and for good reason. Jelli was good at stopping physical stuff, but had more weaknesses than this. Chansey with Eviolite can absolutely stop anything that tries to attack it (except for that damned ConkleDURP). I needed a Heal Bell user due to the sheer amount of status that is inflicted to the Pokemon on my team. Any good Blissey/Chansey (as pointed out to me), needs a good healing move and I choose Softboiled. Softboiled allows me to get instant heals without Protect. Though the Wish utility is gone I still like this set. Seismic Toss lets me hit something and Thunder Wave helps, as suggested, to slow down enemies so my sweepers can kick in.

Horseshoe (Latios) (M) @ Choice Specs
Trait: Levitate
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Draco Meteor
- Hidden Power [Fire]
- Surf
- Trick
My Specs Latios. This thing is a monster against anything that isn't prepared for it. A Specs boosted Draco Meteor can easily KO common threats in the metagame. Hidden Power Fire is for the coverage and Surf is also for great coverage. I usually Trick more bulky or stall oriented pokemon, such as Blissey, Ferrothorn, or Skarmory. Not much else to say about this guy.

Thundurus (M) @ Life Orb Trait: Prankster
EVs: 4 Def / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Thunderbolt
- Taunt
- Hidden Power [Ice]
- Nasty Plot
Thundurus. The amazing Lightning Genie. This thing rips through stuff like you wouldn't imagine. He replaced Chancey (Chancey replaced Blissey) because I have a SDef wall in Jelli and a Defensive wall in Forrty. Thunderbolt is for the STAB. Taunt for any walls that I come across. HP Ice for the coverage against Dragons. And U-Turn so I can make a quick escape. Timid is for max Speed for U-Turn mostly.

Heatran (M) @ Air Balloon
Trait: Flash Fire
EVs: 252 HP / 252 SAtk / 4 Spd
Hardy Nature
- Earth Power
- Flamethrower
- Toxic
- Hidden Power [Fighting]
Good ole' Heatran. This thing is a beast with its balloon and can dish out some hard hits. Earth Power for a good Ground move, Flamethrower for a RELIABLE STAB. Fire Blast would just be to much of a risk to me. Toxic for another status inducer and I can usually get one off safely on the switch. Hidden Power Fighting for coverage.

Breloom (M) @ Toxic Orb Trait: Poison Heal
EVs: 252 Atk / 4 Def / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Substitute
- Focus Punch
- Seed Bomb
- Spore
Lol. This thing annoys people most of the time with SubPunch combo. If I am faster than them (which is usually the case) I'll Spore so they'll probably switch out for my free sub. After I Sub I can either hit with a hard hard Focus Punch or a Seed Bomb for things like Swampert and Vaporeon. Jolly Nature is to maximize Speed.
Changes










Importable
Forretress (M) @ Leftovers Trait: Sturdy
EVs: 252 HP / 176 Def / 80 SDef
Relaxed Nature (+Def, -Spd)
- Toxic Spikes
- Spikes
- Gyro Ball
- Rapid Spin
Chansey (F) @ Eviolite
Trait: Natural Cure
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature (+Def, -Atk)
- Heal Bell
- Softboiled
- Seismic Toss
- Thunder Wave
Horseshoe (Latios) (M) @ Choice Specs
Trait: Levitate
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Draco Meteor
- Hidden Power [Fire]
- Surf
- Trick
Thundurus (M) @ Life Orb
Trait: Prankster
EVs: 4 Def / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Thunderbolt
- Taunt
- Hidden Power [Ice]
- Nasty Plot
Heatran (M) @ Air Balloon
Trait: Flash Fire
EVs: 252 HP / 252 SAtk / 4 Spd
Hardy Nature
- Earth Power
- Flamethrower
- Toxic
- Hidden Power [Fighting]
Breloom (M) @ Toxic Orb
Trait: Poison Heal
EVs: 252 Atk / 4 Def / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Substitute
- Focus Punch
- Seed Bomb
- Spore
EVs: 252 HP / 176 Def / 80 SDef
Relaxed Nature (+Def, -Spd)
- Toxic Spikes
- Spikes
- Gyro Ball
- Rapid Spin
Chansey (F) @ Eviolite
Trait: Natural Cure
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature (+Def, -Atk)
- Heal Bell
- Softboiled
- Seismic Toss
- Thunder Wave
Horseshoe (Latios) (M) @ Choice Specs
Trait: Levitate
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Draco Meteor
- Hidden Power [Fire]
- Surf
- Trick
Thundurus (M) @ Life Orb
Trait: Prankster
EVs: 4 Def / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Thunderbolt
- Taunt
- Hidden Power [Ice]
- Nasty Plot
Heatran (M) @ Air Balloon
Trait: Flash Fire
EVs: 252 HP / 252 SAtk / 4 Spd
Hardy Nature
- Earth Power
- Flamethrower
- Toxic
- Hidden Power [Fighting]
Breloom (M) @ Toxic Orb
Trait: Poison Heal
EVs: 252 Atk / 4 Def / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Substitute
- Focus Punch
- Seed Bomb
- Spore