IDW13120 Australian Government Bureau of Meteorology Western Australia Lower West District Forecast Issued at 4:25 pm WST on Sunday 17 November 2024 for the period until midnight WST Thursday 21 November 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 strong ridge is developing along the south coast. A trough and associated low pressure system will develop near the west coast later Sunday, deepening early in the week and moving east later Wednesday and into Thursday. Forecast for the rest of Sunday 17 November Clear. Winds southeasterly 15 to 25 km/h turning easterly in the late evening. Forecast for Monday 18 November Sunny morning. Medium chance of showers in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds easterly 25 to 40 km/h turning south to southeasterly 15 to 25 km/h in the early afternoon then tending east to southeasterly in the late evening. Overnight temperatures falling to between 13 and 17 with daytime temperatures reaching the low 30s. Mandurah Possible shower developing. Min 17 Max 31 Perth Possible shower developing. Min 17 Max 32 Fire Danger: Swan Coastal North: High Swan Inland North: High Swan Coastal South: Moderate Swan Inland South: High Geographe: Moderate Brockman: Moderate Sun protection 8:00am to 3:50pm, UV Index predicted to reach 10 [Very High] Forecast for Tuesday 19 November Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm. Winds northeast to southeasterly 20 to 30 km/h tending northwest to northeasterly 15 to 25 km/h in the morning then becoming northwesterly 25 to 35 km/h in the middle of the day. Overnight temperatures falling to between 16 and 19 with daytime temperatures reaching around 30. Mandurah Possible shower. Min 20 Max 28 Perth Shower or two. Min 19 Max 29 Forecast for Wednesday 20 November Partly cloudy. High chance of showers, most likely in the morning. The chance of a thunderstorm. Winds north to northwesterly 15 to 20 km/h turning west to southwesterly 15 to 25 km/h during the day. Overnight temperatures falling to between 15 and 18 with daytime temperatures reaching the low to mid 20s. Mandurah Shower or two. Min 19 Max 24 Perth Shower or two. Min 17 Max 25 Forecast for Thursday 21 November Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. Light winds becoming southwesterly 15 to 25 km/h during the morning. Overnight temperatures falling to around 15 with daytime temperatures reaching the low to mid 20s. Mandurah Shower or two. Min 18 Max 23 Perth Shower or two. Min 16 Max 23 The next routine forecast will be issued at 5:00 am WST Monday. * 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).