Melbourne is forecast experience its hottest day in two years on Saturday, with fire danger ratings expected to spike across the state amid hot and windy conditions. A tongue of hot air from the nation's interior will sweep over Victoria on Saturday as northerly winds develop ahead of an approaching front. The burst of hot, dry and windy weather is likely to elevate fire danger ratings to severe or extreme levels in central and western parts of the state. Temperatures are forecast to reach the mid forties in northern Victoria on Saturday and Melbourne could see a top fo 41-42 degrees in the city. This would be the Melbourne's hottest day in two years and 15 degrees above average for this time of year. If Melbourne exceeds 42.2 degrees it will be the city's hottest day since January 2014. Melbourne's hottest January day on record was 45.6 degrees back in 1939, which is unlikely to be challenged this weekend. Visit http://www.cfa.vic.gov.au/ for the latest information on Victoria's fire bans and ratings.