IDS11052 Australian Government Bureau of Meteorology South Australia Lower Eyre Peninsula District Forecast Issued at 9:18 pm CDT on Saturday 20 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 Saturday 20 December Partly cloudy. Medium chance of showers. The chance of a thunderstorm. Light winds. Forecast for Sunday 21 December Partly cloudy. High chance of showers, most likely in the early morning. The chance of a thunderstorm in the early morning. Winds westerly 25 to 40 km/h increasing to 45 km/h before turning south to southwesterly 25 to 40 km/h in the late morning and early afternoon. Overnight temperatures falling to around 14 with daytime temperatures reaching the low to mid 20s. Coffin Bay Showers easing. Min 14 Max 24 Cummins Early showers. Min 13 Max 24 Port Lincoln Showers easing. Min 14 Max 24 Fire Danger: High Sun protection 9:00am to 5:40pm, UV Index predicted to reach 12 [Extreme] Forecast for Monday 22 December Cloudy. Slight chance of a shower near the west coast, near zero chance elsewhere. Winds southerly 15 to 20 km/h becoming light before dawn then becoming southwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching the low to mid 20s. Coffin Bay Cloudy. Min 12 Max 24 Cummins Cloudy. Min 9 Max 24 Port Lincoln Cloudy. Min 11 Max 24 Forecast for Tuesday 23 December Partly cloudy. Winds southwesterly 15 to 20 km/h turning southerly 20 to 30 km/h during the morning. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching the low to mid 20s. Coffin Bay Partly cloudy. Min 13 Max 24 Cummins Partly cloudy. Min 11 Max 26 Port Lincoln Cloudy. Min 13 Max 23 Forecast for Wednesday 24 December Partly cloudy. Winds southerly 15 to 25 km/h increasing to 25 to 35 km/h during the day then turning southeasterly 15 to 25 km/h during the evening. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching the low to mid 20s. Coffin Bay Cloudy. Min 12 Max 24 Cummins Partly cloudy. Min 9 Max 26 Port Lincoln Cloudy. Min 12 Max 23 The next routine forecast will be issued at 4:10 am 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).