IDS11049 Australian Government Bureau of Meteorology South Australia Flinders District Forecast Issued at 4:10 am CDT on Sunday 21 December 2025 for the period until midnight CDT Wednesday 24 December 2025. Warning Information For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts. Weather Situation A broad trough of low pressure lingers over the east and northern parts of the State. A low pressure system lies south of the bight and moves east to combine with the trough early Sunday. The combined low pressure system and trough then moves east to clear SA by late Sunday. A high pressure ridge then extends over the west and south of the State behind the low pressure system during Sunday. The high pressure ridge extends across the entire State by late Sunday and persists from Monday to Thursday. Forecast for the rest of Sunday 21 December Medium chance of showers this morning. A thunderstorm likely this morning, possibly severe with damaging winds and heavy rain which may lead to flash flooding on and east of the ranges. Sunny afternoon. Winds northwest to northeasterly 15 to 25 km/h tending west to southwesterly 25 to 40 km/h in the early morning then tending south to southwesterly in the late afternoon. Daytime maximum temperatures 26 to 32. Hawker Morning storm. Shower or two. Max 29 Orroroo Morning storm. Shower or two. Max 27 Port Augusta Morning storm. Showers. Max 32 Fire Danger: High Sun protection 8:50am to 5:30pm, UV Index predicted to reach 12 [Extreme] Forecast for Monday 22 December Sunny. Winds south to southwesterly 25 to 35 km/h. Overnight temperatures falling to between 9 and 15 with daytime temperatures reaching around 30. Hawker Sunny. Min 12 Max 29 Orroroo Sunny. Min 9 Max 28 Port Augusta Mostly sunny. Min 16 Max 27 Forecast for Tuesday 23 December Sunny. Winds southerly 25 to 40 km/h. Overnight temperatures falling to between 10 and 16 with daytime temperatures reaching 27 to 32. Hawker Sunny. Min 13 Max 30 Orroroo Sunny. Min 10 Max 29 Port Augusta Becoming windy. Partly cloudy. Min 16 Max 28 Forecast for Wednesday 24 December Sunny. Winds south to southeasterly 25 to 40 km/h. Overnight temperatures falling to between 9 and 17 with daytime temperatures reaching 28 to 34. Hawker Sunny. Min 15 Max 32 Orroroo Sunny. Min 10 Max 30 Port Augusta Becoming windy. Sunny. Min 16 Max 28 The next routine forecast will be issued at 3:55 pm CDT Sunday. * Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Copyright Commonwealth of Australia 2011, Bureau of Meteorology (ABN 92 637 533 532). Users of these web pages are deemed to have read and accepted the conditions described in the Copyright, Disclaimer, and Privacy statements (http://www.bom.gov.au/other/copyright.shtml).