Station manager at Notts Fire and Rescue Craig Day Tweeted to say: "I would like to say a massive thank you to Nottingham #rapidreliefteam that have been supporting the emergency services and all the agencies working hard at #NottinghamTrainStation".
The station has recently undergone a £50m redevelopment, incorporating a new tram bridge, including the restoration and upgrade of its Edwardian grade II-listed front building.
Around 60 firefighters tackled the blaze, which started at 6.30am on Friday in a public toilet before spreading to the roof of the station. We got a call at approximately 6.30am to a fire involving a toilet block - that has now spread to the roof void. Video posted on social media shows smoke billowing from the building.
East Midlands Trains issued an update at 3.25pm this afternoon which said: "Structural engineers will need to assess the station before we can understand which trains will be able to run tomorrow".
He said early indications suggested the station would remain closed for the rest of the day.
Football fans face transport misery on Saturday morning after a huge fire gutted Nottingham station in a suspected arson attack.
In addition, Queens Road and Carrington Street have been closed in both directions.
A spokeswoman for East Midlands Ambulance Service said "we are aware of the incident and, at the minute, there are no reported casualties".
All trains were cancelled and several cordons and East Midlands Trains advised people not to travel "unless it is absolutely necessary", warning that trains would be disrupted on all routes through Nottingham for the whole of Friday, with further disruption expected on all East Midlands train.
Mills said firefighters are using thermal imaging to make sure this fire is out because "crews can't physically see the orange flames we are trying to fight".
British Transport Police said it was an "ongoing incident" and could not say when the station would reopen.
"Our current advice to customers is not to travel to Nottingham station this morning".
Services from Newark Northgate Station to Lincoln have not been affected.