Posted 11th Feb 2018. The prolonged widespread severe to extreme heatwave is forecast to continue across a majority of Queensland on Monday. This heatwave is forecast to last through until Friday. Above image: Maximum temperatures via BSCH. 

Widespread scorching temperatures of 40 to 45C will develop across the North West, Central West, Central inland, Southern inland and parts of the South East. Along the very exposed coast (close to the beach) very warm and humid conditions of 32 to 35C are expected. For Eastern inland parts the temps will quickly go up to between 36 and 41C.

Mondays statewide maximum forecast temperatures are as follows…

Southern QLD: Brisbane CBD 35C – Eastern suburbs 33C – Western suburbs 38C, Ipswich 38C, Sunshine Coast 34C, Nambour 36C, Gold Coast 33C, Nerang 35C, Coomera 35C, Gympie 38C, Maryborough 35C, Bundaberg 34C, Gatton 41C, Toowoomba 36C, Warwick 38C, Inglewood & Millmerran 40C, Stanthorpe 34C, Dalby 40C, Roma 43C, Charleville 44C, St George 42C, Goondiwindi 42C, Quilpie 45C, Birdsville 45C.

Central QLD: Gladstone 35C, Biloela 41C, Gayndah 41C, Rockhampton 41C, Mackay 36C, Moranbah 42C, Emerald 43C, Longreach 44C, Boulia 44C.

Northern QLD: Townsville 33C, Cairns 32C, Weipa 33C, Georgetown 38C, Charters Towers 39C, Richmond 42C, Cloncurry 44C, Mt Isa 43C, Burketown 36C.

A majority of these forecast maximums are between 6 and 11C above the long term February average. Overnight minimum temperatures well also be 4 to 9C above average especially through Southern and Central inland parts. Longreach is only forecast to get down to 29C overnight Monday into early Tuesday morning. 
Below image: BOM heatwave Monday to Wednesday. 
BOMHEATWAVEMONTUESWED12FEB2018