Forecast issued at 4:25 pm WST on Tuesday 30 August 2016.
A cold front will reach the southwest corner early on Wednesday and weaken as it moves eastwards through the South West Land Division during the day. A surface trough will develop ahead of the front through the Goldfields with possible afternoon thunderstorms. A new ridge of high pressure will develop in the wake of the front with another weak cold front brushing the southwest of the State late Friday.
Forecast for the rest of Tuesday
Partly cloudy. Light winds.
Wednesday 31 August
Cloudy. Very high (90%) chance of showers in the far southwest, medium (60%) chance elsewhere. The chance of a thunderstorm in the west in the morning. Light winds becoming west to northwesterly 15 to 25 km/h in the middle of the day then turning southwesterly 20 to 30 km/h in the late morning and early afternoon. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching between 15 and 18.
- Fire Danger
- Mortlock: Low-Moderate
- Ninghan: Low-Moderate
- Avon: Low-Moderate
- Jilbadgie: Low-Moderate
Sun protection 9:40am to 3:00pm, UV Index predicted to reach 6 [High]
Thursday 1 September
Cloudy. Winds southerly 15 to 20 km/h tending southeasterly in the morning then becoming light in the middle of the day. Overnight temperatures falling to around 4 with daytime temperatures reaching around 17.
Friday 2 September
Cloudy. Slight (20%) chance of a shower in the far southwest in the afternoon and evening. Light winds becoming southwesterly 15 to 20 km/h during the afternoon then tending southerly during the evening. Overnight temperatures falling to around 4 with daytime temperatures reaching between 17 and 21.
Saturday 3 September
Sunny. Light winds becoming easterly 15 to 20 km/h during the morning. Overnight temperatures falling to around 5 with daytime temperatures reaching between 18 and 21.
The next routine forecast will be issued at 5:00 am WST Wednesday.