Temperatures across southeast Australia are set to soar for at least the next four days, with some areas reaching 45 degrees. Heat building over western NSW will push towards the coast over the weekend and early next week, forcing temperatures up to 16 degrees above average. As a result, fire danger will be elevated on January 24 and 25, with the RFS warning people should use the next few days to prepare. “People need to take this seriously… this season we haven’t had these heightened fire dangers but we have now got to be prepared,” RFS NSW director Peter McKechnie told reporters on January 21. Bega, on the south coast, is expected to reach at least 39 degrees on Monday, and western Sydney will be in the same range on Sunday and Monday. Other parts of southern NSW could experience temperatures up to 45 degrees on Sunday and Monday, according …