The two states are once again expecting unseasonally hot conditions as a mass of hot air blasts eastern Australia.
According to Weatherzone, the pool of unseasonably hot air will sweep across central and eastern Australia later this week ahead of an approaching low pressure trough.
Some of the locations that are currently forecast to reach near or above their September records on Wednesday or Thursday are:
- Birdsville. Forecast to reach 43C on Wednesday - current September record is 42.4C.
- Thargomindah. Forecast to reach 42C on Wednesday - current September record is 40.4C from last Saturday (23rd September 2017).
- Bourke. Forecast to reach 42C on Wednesday - current September record is 40C.
- Dubbo. Forecast to reach 36C today - current September record is 35.5C from last Saturday (23rd September 2017).
- Narrabri. Forecast to reach 37C on Wednesday - current September record is 36.6C.
- Charleville. Forecast to reach 41C on Wednesday - current September record is 39C.
State records are also expected to fall amid this week's pulse of heat and the national record for September could be challenged.
The highest temperature ever recorded in Queensland during September was 42.4 degrees at Birdsville Police Station in 2003.
The highest temperature ever recorded in New South Wales during September was 40.5 degrees at Wilcannia last Saturday (23rd September 2017).
The highest temperature ever recorded in Australia during September was 43.1 degrees at West Roebuck, WA in 2003.