IDW13130 Australian Government Bureau of Meteorology Western Australia South West District Forecast Issued at 5:00 am WST on Thursday 17 October 2024 for the period until midnight WST Sunday 20 October 2024. 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 complex low pressure trough will continue to move east, contracting into South Australia this morning. A new ridge will extend over southern WA in the wake of the trough during today and Friday. Another weak cold front will brush the southwest coast on Sunday. Forecast for the rest of Thursday 17 October Partly cloudy. Slight chance of a shower this morning. Winds southwesterly 15 to 20 km/h tending westerly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures around 20. Augusta Cloudy. Max 19 Bridgetown Partly cloudy. Max 21 Bunbury Partly cloudy. Max 20 Busselton Becoming cloudy. Max 20 Collie Partly cloudy. Max 21 Manjimup Possible morning shower. Max 20 Margaret River Partly cloudy. Max 19 Fire Danger: Geographe: Moderate Capes: Moderate Brockman: Moderate Blackwood: Moderate Southern Forests: Moderate Sun protection 8:30am to 3:40pm, UV Index predicted to reach 9 [Very High] Forecast for Friday 18 October Cloudy. Medium chance of showers, most likely in the morning and afternoon. Winds northwesterly 25 to 35 km/h. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching the low 20s. Augusta Shower or two. Min 15 Max 22 Bridgetown Possible shower. Min 8 Max 22 Bunbury Possible shower. Min 12 Max 21 Busselton Shower or two. Min 11 Max 21 Collie Cloudy. Min 8 Max 22 Manjimup Cloudy. Min 10 Max 22 Margaret River Shower or two. Min 13 Max 21 Forecast for Saturday 19 October Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. Winds northwesterly 15 to 25 km/h becoming light during the evening. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching the low to mid 20s. Augusta Shower or two. Min 17 Max 22 Bridgetown Shower or two. Min 12 Max 23 Bunbury Possible shower. Min 14 Max 22 Busselton Shower or two. Min 14 Max 22 Collie Possible shower. Min 11 Max 23 Manjimup Shower or two. Min 14 Max 23 Margaret River Shower or two. Min 15 Max 21 Forecast for Sunday 20 October Cloudy. High chance of showers. Light winds becoming northwesterly 15 to 25 km/h during the morning then tending westerly 20 to 30 km/h during the afternoon. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching the low 20s. Augusta Showers. Min 16 Max 20 Bridgetown Showers. Min 11 Max 23 Bunbury Showers. Min 13 Max 22 Busselton Showers. Min 13 Max 21 Collie Showers. Min 10 Max 22 Manjimup Showers. Min 13 Max 21 Margaret River Showers. Min 14 Max 21 The next routine forecast will be issued at 4:25 pm WST Thursday. * 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).