Tempest is a ventus that was found in The Lost Hero.

The Heroes of Olympus

The Lost Hero

In the battle against the giant Porphyrion, at the Wolf House, Jason Grace uses his power to control the wind to tame Tempest to help him in the fight. Tempest manages to survive when Hera unleashes her true form after she is released from her cage by Leo Valdez and Piper McLean. However, Tempest "scatters" off and it was unknown where he went, but Hera tells Jason he will see him again.

The Mark of Athena

Tempest was called by Jason to ride towards the Topeka 32 mile marker (and consequently finding Bacchus) during their trip to Kansas. After being possessed by an Eidolon, Jason, on Tempest, fights Percy on Blackjack. He dissipated after Jason fell off.

The House of Hades

Notus mentions that Tempest is Boreas' son.


Tempest has been shown to take the form of a horse made out of thunderclouds and electricity. He hasn't been shown of taking a human form.


Jason, his rider



  • Tempest shares a name with one of the Gray sisters.
  • He is the half-brother of the Boreads and Khione.
Species: Centaur | Cyclopes | Dragon | Drakon | Empousa | Fire-Breathing Horse | Giants | Gorgon | Harpy | Hyperborean Giant | Ichthyocentaur |

Katobleps | Laistrygonian Giant | Lycanthrope | Merpeople | Nikai | Nymphs | Pegasus | Satyr | Skolopendra | Stymphalian Birds | Telekhine | Blemmyae

Friendly Monsters: Argus | Blackjack | Briares | Chiron | Don | Ella | Festus | Gleeson Hedge | Gray |Grover Underwood | Hippocampus | Mellie | Mrs. O'Leary | Ophiotaurus | Peleus | Scipio | Tyson | Tempest
Enemy Monsters: Agrius and Oreius | Arachne | Basilisk | Charybdis and Scylla | Chimera | Chrysaor | Clazmonian Sow | Colchis Bull | Echidna | Euryale | Geryon | Joe Bob | Kampê | | Nanette | Manticore | Medusa | Minotaur | Nemean Lion | Polyphemus | Sphinx | Stheno | Typhon | Scythian Dracanae
Neutral Monsters: Carnivorous Sheep | Cerberus | Erymanthian Boar | Gray Sisters | Gorgons | Furies | Flesh-Eating Horse | Gryphon | Siren