Thursday Partly cloudy. Medium (40%) chance of showers, becoming less likely in the late evening. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the afternoon and early evening. Winds SW 15 to 20 km/h shifting E/SE in the late afternoon.
Friday Partly cloudy. Slight (30%) chance of a shower. The chance of a thunderstorm in the morning and afternoon. Winds E/SE 25 to 35 km/h.
Saturday Partly cloudy. Winds E 25 to 35 km/h.
Sunday Partly cloudy. Medium (40%) chance of showers in the north in the morning and afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm. Winds E 25 to 35 km/h.
||forecast||min||max||chance of rain||rain amount||frost risk||9am||3pm|
||21||35||30%||1-5mm||Nil||E 21||31||E 15||20|
||19||37||60%||1-5mm||Nil||ESE 21||38||ENE 18||16|
||20||37||30%||1-5mm||Nil||ESE 18||28||SSE 14||21|
||21||35||60%||< 1mm||Nil||E 23||34||NE 16||20|
||18||35||30%||1-5mm||Nil||SSE 16||49||SSW 18||35|
||23||34||40%||< 1mm||Nil||SE 16||34||SSW 17||29|
||22||35||30%||< 1mm||Nil||ESE 20||34||SSE 16||26|
||21||38||30%||< 1mm||Nil||E 20||25||E 14||17|
||22||31||40%||< 1mm||Nil||S 22||42||SSW 30||47|
15:56 EDT A series of spectacular electrical storms over Perth has blacked out more than 27,000 homes and businesses and caused flight delays.