castform-snowy #10015
Type Matchups
Weak to (2x damage):
Resistant to (½x damage):
castform-snowy
Generation III · #10015 — Weather Pokémon
Castform's snowy form is one of three weather-dependent transformations that this unique Pokémon undergoes through its signature Forecast ability. When hail conditions are present in battle, Castform shifts from its normal gray cloud appearance into an icy, crystalline form and gains the Ice-type designation. This form represents Castform's remarkable evolutionary adaptation to harsh winter conditions, demonstrating the Pokémon's extraordinary ability to harness the raw power of nature itself to survive and protect its diminutive body. Introduced in Generation III, Castform remains one of the most intriguing examples of a weather-responsive Pokémon, with the snowy form being particularly valued in competitive play against Dragon-type opponents and in battles where hail-based strategies dominate.
Base Stats
Height
0.3m
Weight
0.8kg
Category
Weather Pokémon
Gender
Male 50% / Female 50%
Color
gray
Shape
ball
Habitat
grassland
Abilities
Changes castform's type and form to match the weather.
Castform-snowy Biology & Physical Characteristics
The snowy form of Castform exhibits a dramatic cellular transformation when exposed to hailing conditions, becoming composed of crystalline ice structures while maintaining its fundamental cloud-like composition. Scientific analysis has revealed that Castform's body is composed of cells chemically identical to water molecules, allowing its entire cellular structure to be fundamentally altered by changes in temperature and humidity. When temperatures plummet and hail falls, these water-based cells reorganize into an ice formation, changing not only the Pokémon's appearance but also its elemental properties. This transformation is involuntary and automatic, triggered by the presence of hail weather in its environment. The snowy form stands at 0.3 meters tall and weighs 0.8 kilograms, with its compact size remaining consistent across all its forms despite the radical physical transformations it undergoes. The ice-based structure grants the snowy form enhanced resistance to cold conditions while making it paradoxically vulnerable to Fire-type attacks, as the melting of its crystalline body would prove catastrophic.
Pokedex Numbers
Training
Breeding
Castform-snowy Breeding, Gender Ratio & Egg Groups
Castform maintains an even gender distribution with a 50% male to 50% female ratio across all its forms, including the snowy form. This balanced gender ratio applies consistently regardless of whether the Castform is encountered in its normal, sunny, rainy, or snowy form, as the form transformation is a temporary, weather-dependent change that does not affect the individual Pokémon's permanent biological sex. When breeding Castform, offspring will hatch as the normal form regardless of the parent's current form, as the form-change is triggered only by active weather conditions in battle rather than being a heritable genetic trait. Castform belongs to the Fairy and Amorphous egg groups, making it compatible with a diverse range of breeding partners. The Amorphous classification is particularly fitting given the Pokémon's water-based, shapeshifting cellular structure, while the Fairy egg group connection suggests the somewhat magical nature of its form-changing abilities. Eggs take 25 cycles to hatch, corresponding to 6,169 to 6,425 steps of travel, making Castform moderately quick to breed compared to some species. Trainers seeking to breed snowy form Castform should note that newly hatched offspring will not display the snowy form immediately and must be exposed to hail conditions to trigger the transformation.
Held Items
Sprites
Held Items
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
mystic-water
type-enhancement
Held: Water-Type moves from holder do 20% more damage.
Cost: 1000
TMs & HMs
tm01
lets go pikachu lets go eevee
tm01
ultra sun ultra moon
tm01
sun moon
tm02
crystal
tm02
gold silver
tm03
ruby sapphire
tm03
platinum
tm03
firered leafgreen
tm03
heartgold soulsilver
tm03
diamond pearl
tm03
emerald
tm03
xd
tm03
colosseum
tm05
lets go pikachu lets go eevee
tm06
yellow
tm06
gold silver
tm06
red blue
tm06
crystal
tm06
emerald
tm06
firered leafgreen
+663 more TMs/HMs
Castform-snowy Evolution, Mega Evolution & Special Forms
Unlike most Pokémon species, Castform does not evolve into or from any other Pokémon, and it has no Mega Evolution form despite its unique nature. Instead, Castform's entire evolutionary concept is inverted—rather than evolving upward into a more powerful form, it transforms laterally across different forms based entirely on environmental weather conditions. The snowy form represents not an evolution or enhancement, but rather a specialization and adaptation to specific climatic circumstances. Castform is already in its final form from the moment it is caught or hatched, with no level requirements, items, or special conditions triggering permanent changes. The form-shifting mechanism through the Forecast ability is the closest Castform comes to transformation, operating more like a dynamic adaptation than traditional evolution. This makes Castform a singularly unique Pokémon in game mechanics, as trainers do not need to invest in evolution stones, leveling, or trading to access the snowy form's potential—they simply need to battle in hail conditions. The absence of traditional evolution actually streamlines Castform's training process, allowing trainers to utilize its weather-based transformations strategically without long-term commitment concerns.
Where to Find
Location data not available for this Pokémon in the database.
Castform-snowy Behaviour and Natural Habitat
In its snowy form, Castform's temperament and behavior shift dramatically in response to the frigid conditions surrounding it. According to Pokédex records, Castform's feelings change with the weather, and the snowy form exhibits a notably different personality compared to its normal, sunny, or rainy counterparts. The Pokémon actively seeks out and thrives in hail-prone environments such as high alpine regions, frozen tundras, and snow-capped mountain peaks where its ice form provides genuine survival advantages. Rather than being merely aesthetic, the transformation into snowy form appears to influence how Castform interacts with its environment and other Pokémon, adapting its behavioral patterns to match the harsh, crystalline world around it. The form demonstrates heightened alertness in frozen conditions, as if the transformation into ice sharpens its senses and reflexes. Trainers who have observed Castform in snowy form report that it appears more energetic and purposeful than its normal form, suggesting that the weather transformation is not simply a cosmetic change but a fundamental shift in the Pokémon's physiology and mentality.
Pokedex Entries
Generation III
CASTFORM’s appearance changes with the weather. This POKéMON gained the ability to use the vast power of nature to protect its tiny body.
CASTFORM borrows the power of nature to transform itself into the guises of the sun, rain clouds, and snow clouds. This POKéMON’s feelings change with the weather.
It alters its form depending on the weather. Changes in the climate such as the temperature and humidity appear to affect its cellular structure.
It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
Generation IV
Its appearance changes with the weather. Recently, its molecules were found to be just like water.
This Pokémon can change its cells, taking different forms based on the temperature and humidity.
Generation V
Its appearance changes with the weather. Recently, its molecules were found to be just like water.
Temperature and weather affect its cellular structure, so this Pokémon changes form according to the weather.
Generation VI
This Pokémon can change its cells, taking different forms based on the temperature and humidity.
It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
Castform’s appearance changes with the weather. This Pokémon gained the ability to use the vast power of nature to protect its tiny body.
Castform borrows the power of nature to transform itself into the guises of the sun, rain, and snow-clouds. This Pokémon’s feelings change with the weather.
Generation VII
It changes its form depending on the weather. Changes in the temperature or humidity appear to affect its cellular structure.
Although its form changes with the weather, that is apparently the result of a chemical reaction and not the result of its own free will.
Its form changes on its own, due to its cells’ sensitive reactions to temperature and humidity.
Its form changes depending on the weather. The rougher conditions get, the rougher Castform’s disposition!
Castform-snowy Name Origin & Design Inspiration
The snowy form of Castform features a distinctly crystalline, ice-based aesthetic that transforms the base cloud design into something more angular and geometric. In its snowy incarnation, the once-smooth, rounded cloud-like body develops sharp, icy protrusions and a frosted appearance, with the single wisp extending from its head becoming more pronounced and icicle-like. The color palette shifts toward brilliant whites and pale blues, emphasizing the frozen nature of the transformation. The name Castform itself derives from the words 'cast' and 'form,' reflecting the Pokémon's ability to cast itself into different forms depending on conditions. In Japanese, it is known as Powalen (ポワルン), which combines 'pow' (power) with 'allen,' suggesting transformative power. The snowy form's design philosophy emphasizes environmental responsiveness—every visual element communicates ice and winter, from the crystalline structure to the sharp, pointed features that contrast with the soft, rounded appearance of the normal form. This deliberate design contrast helps trainers immediately recognize which form Castform has assumed without requiring explicit UI confirmation, making the transformation visually intuitive and satisfying.
Learnable Moves
Castform-snowy can learn 70 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| amnesia | psychic | Status | — | — | 20 |
| attract | normal | Status | — | 100 | 15 |
| avalanche | ice | Physical | 60 | 100 | 10 |
| blizzard | ice | Special | 110 | 70 | 5 |
| body slam | normal | Physical | 85 | 100 | 15 |
| captivate | normal | Status | — | 100 | 20 |
| clear smog | poison | Special | 50 | — | 15 |
| confide | normal | Status | — | — | 20 |
| cosmic power | psychic | Status | — | — | 20 |
| defense curl | normal | Status | — | — | 40 |
| defog | flying | Status | — | — | 15 |
| disable | normal | Status | — | 100 | 20 |
| double team | normal | Status | — | — | 15 |
| double edge | normal | Physical | 120 | 100 | 15 |
| ember | fire | Special | 40 | 100 | 25 |
| endure | normal | Status | — | — | 10 |
| energy ball | grass | Special | 90 | 100 | 10 |
| facade | normal | Physical | 70 | 100 | 20 |
| fire blast | fire | Special | 110 | 85 | 5 |
| flamethrower | fire | Special | 90 | 100 | 15 |
| flash | normal | Status | — | 100 | 20 |
| frustration | normal | Physical | — | 100 | 20 |
| future sight | psychic | Special | 120 | 100 | 10 |
| guard swap | psychic | Status | — | — | 10 |
| hail | ice | Status | — | — | 10 |
| headbutt | normal | Physical | 70 | 100 | 15 |
| hex | ghost | Special | 65 | 100 | 10 |
| hidden power | normal | Special | 60 | 100 | 15 |
| hurricane | flying | Special | 110 | 70 | 10 |
| hydro pump | water | Special | 110 | 80 | 5 |
| ice beam | ice | Special | 90 | 100 | 10 |
| icy wind | ice | Special | 55 | 95 | 15 |
| incinerate | fire | Special | 60 | 100 | 15 |
| last resort | normal | Physical | 140 | 100 | 5 |
| lucky chant | normal | Status | — | — | 30 |
| mimic | normal | Status | — | — | 10 |
| natural gift | normal | Physical | — | 100 | 15 |
| ominous wind | ghost | Special | 60 | 100 | 5 |
| powder snow | ice | Special | 40 | 100 | 25 |
| protect | normal | Status | — | — | 10 |
| psych up | normal | Status | — | — | 10 |
| rain dance | water | Status | — | — | 5 |
| reflect type | normal | Status | — | — | 15 |
| rest | psychic | Status | — | — | 5 |
| retaliate | normal | Physical | 70 | 100 | 5 |
| return | normal | Physical | — | 100 | 20 |
| round | normal | Special | 60 | 100 | 15 |
| sandstorm | rock | Status | — | — | 10 |
| scald | water | Special | 80 | 100 | 15 |
| secret power | normal | Physical | 70 | 100 | 20 |
| shadow ball | ghost | Special | 80 | 100 | 15 |
| shock wave | electric | Special | 60 | — | 20 |
| sleep talk | normal | Status | — | — | 10 |
| snore | normal | Special | 50 | 100 | 15 |
| solar beam | grass | Special | 120 | 100 | 10 |
| substitute | normal | Status | — | — | 10 |
| sunny day | fire | Status | — | — | 5 |
| swagger | normal | Status | — | 85 | 15 |
| swift | normal | Special | 60 | — | 20 |
| tackle | normal | Physical | 40 | 100 | 35 |
| tailwind | flying | Status | — | — | 15 |
| thief | dark | Physical | 60 | 100 | 25 |
| thunder | electric | Special | 110 | 70 | 10 |
| thunder wave | electric | Status | — | 90 | 20 |
| thunderbolt | electric | Special | 90 | 100 | 15 |
| toxic | poison | Status | — | 90 | 10 |
| water gun | water | Special | 40 | 100 | 25 |
| water pulse | water | Special | 60 | 100 | 20 |
| weather ball | normal | Special | 50 | 100 | 10 |
| work up | normal | Status | — | — | 30 |
Castform-snowy Competitive Battle Guide
In competitive Pokémon battles, Castform's snowy form serves as a specialized tool for weather-based team strategies centered around hail. The transformation grants Castform the Ice-type designation, which provides significant offensive advantages against Dragon-type Pokémon, a crucial advantage in competitive environments where dragons often dominate. With perfectly balanced base stats of 70 across all six categories for a total of 420, the snowy form maintains the same statistical profile as Castform's other forms, giving it identical bulk and offensive capability to the rainy and sunny forms. However, the snowy form's Ice-type designation provides unique type coverage, allowing it to learn and utilize Ice-type moves more effectively and gain STAB (Same Type Attack Bonus) on moves like Ice Beam, Blizzard, and Icy Wind. The snowy form's primary competitive niche involves synergizing with hail-based team structures that include Pokémon like Abomasnow, Vanillish, or other hail-enabled specialists. While Castform's moderate base stats prevent it from being a tier-one competitive threat, experienced trainers utilize it as a tactical support Pokémon that can pivot between forms to provide unexpected type coverage. The Forecast ability ensures that even without active player input, Castform automatically gains its Ice-typing and corresponding movepool benefits whenever hail is present, making it a passive advantage generator in weather-heavy metagames.
Commonly Asked Questions About Castform-snowy
What type is Castform-snowy?
Castform-snowy is a ice type Pokemon.
What does Castform-snowy evolve into?
Castform-snowy does not evolve.
What are Castform-snowy's weaknesses?
Castform-snowy is weak to fighting, rock, steel and fire type moves.
Castform-snowy Cultural Impact & Franchise History
Castform has developed a devoted following among Pokémon fans and competitive players who appreciate its innovative mechanics and weather-dependent gimmick. The snowy form, in particular, resonates with players who favor ice-type Pokémon and weather-based battle strategies, creating a niche community of trainers who specialize in hail teams. Castform's design represents a philosophical shift in Pokémon game mechanics, introducing the concept that transformation could be dynamic and conditional rather than permanent and evolution-based. This innovation influenced the later introduction of similar mechanics, including Cherrim's Flower Shield ability and Eiscue's form changes. In popular media and fan communities, Castform is often celebrated as an underrated Pokémon gem—not competitively dominant but conceptually fascinating and strategically rewarding for trainers who understand its nuances. The snowy form has been featured in various Pokémon animated series episodes and manga storylines, often portrayed as a Pokémon that genuinely experiences emotional connections to weather patterns. Fan artists frequently create beautiful renderings of Castform's snowy form, emphasizing the crystalline ice aesthetic and the contrast between its delicate appearance and the harsh weather that enables its transformation. The species has inspired creative team-building discussions and weather strategy guides within the competitive community.
Where to Find Castform-snowy in Every Pokémon Game
Castform's snowy form is available across numerous Pokémon games, though it requires specific encounter conditions since the form itself is temporary and weather-dependent rather than a separate species or evolution stage. In Generation III games (Ruby, Sapphire, and Emerald), Castform can be encountered or obtained and is found in various locations across Hoenn, with the snowy form appearing whenever hail conditions are active during battle. The Pokémon has maintained consistent availability through subsequent generations, appearing in games from Diamond and Pearl through Sword and Shield and beyond, though specific encounter locations vary by generation. In most modern Pokémon games, trainers can obtain Castform in its normal form and then access the snowy form by battling during hail weather or by utilizing weather-setting moves and abilities in combat situations. Castform cannot be found naturally in snowy form in the wild—the form only appears during active hail conditions in battle—but trainers can reliably trigger this transformation by setting up hail with moves like Hail or abilities like Snow Warning. The snowy form's availability in competitive formats depends on the specific ruleset and generation being played, but Castform is generally permitted in standard competitive tiers. Players seeking to obtain Castform for the purpose of utilizing its snowy form should focus on games where hail-based weather is prevalent or where they can reliably set up hail conditions through teambuilding, ensuring they can fully leverage the snowy form's Ice-type advantages in their competitive endeavors.