INSTORM is a Russian metal band which was founded by two like-minded Roman Nemtsev (guitar, vocals) and Marina Nemtseva (guitar). Initially the project was called Deadlake and participants used pseudonyms (Will Right, Maarri Talovainen). In the beginning the main activity was writing own material and then Roman and Marina decided to complete the line-up with other musicians for the normal functioning of the band. In the autumn 2011 bass player Alexander Petrov joined the band.

In January 2012 the band went into the studio to record a demo. In April 2012 it was decided to change the name to something that fits music better. After a long deliberation INSTORM version was approved. In the same month the first demo "Victim of Hate" which consists of 3 songs was released. The demo has received positive feedbacks from the audience. In July 2012 drummer Antvik joined INSTORM. At the same time the band was invited to support Italian thrash metal band Neurasthenia. The first concert took place on September 6th 2012.

In October 2012 the band began work on their debut full-length album. The recording process alternated with concert activity. The album was recorded at two studios and became known as "Madness Inside". In the spring of 2013 INSTORM signed a contract for releasing of the album with Ukrainian label Metal Scrap Records. The debut full-length album was released in May, 25 2013 by Total Metal Records (a division of Metal Scrap Records).

In September 2013 the band parted ways with drummer Antvik. In the winter of 2013 INSTORM's participants decided to remove their pseudonyms (Will Right, Maarri Talovainen, Alexander Eldurson) and use real names: Roman Nemtsev (vocals, guitars), Marina Nemtseva (guitars) and Alexander Petrov (bass).

After that Roman and Marina start working on the material for the second INSTORM album. From February 2017 to November 2017 INSTORM's recording the second album.

In December 2017 the band plays at Slice of Sorrow CD release concert as a special guest.

In the spring of 2018 drummer Poli "Acotath" Archangelskaia joined the band.

In May 2018 two new version of Madness Inside (Remastered and Instrumental) were released by Metal Carnival Records.

On December 7th, 2018 INSTORM second full-length album "Taming the Chaos" was released via Metal Carnival Records.

In December 2018 the band released official music video for "Lethal Winter".

In January 2019 INSTORM goes on European Tour with Imperial Age and visit Slovakia, Czech Republic, and Germany.

On October 17th, 2019 INSTORM plays as support act for legendary CHILDREN OF BODOM in Moscow, Adrenaline Stadium club.

After that Mikhail Tatarinov took the place of the bass guitarist.

On February 7th, 2020 the band releases new single "Slipping Edge" via Metal Carnival Records.

On November 18 2022 a new single and official video for the song "Senseless Dominion" was released.

On December 2 2022 INSTORM released the single "Time Reaper".

On December 9 2022 the third full-length album "Psycho Violence" was released via Metal Carnival Records.

On July 31 2022 INSTORM performes in the big festival Metal Over Russia.