Forecast issued at 4:25 pm WST on Wednesday 27 July 2016.
A high pressure system over the southeast of the State will gradually move eastwards ahead of a cold front that will reach the southwest corner of the State on Friday. A second front is then expected to move through the southern half of the State overnight Saturday into Sunday morning.
Forecast for the rest of Wednesday
Partly cloudy. Light winds.
Thursday 28 July
Partly cloudy. Light winds becoming northerly 15 to 20 km/h in the morning then becoming light in the early afternoon. Overnight temperatures falling to between 4 and 7 with daytime temperatures reaching between 19 and 22.
- Fire Danger
- Mortlock: Low-Moderate
- Ninghan: Low-Moderate
- Avon: Low-Moderate
- Jilbadgie: Low-Moderate
Sun protection 10:30am to 2:20pm, UV Index predicted to reach 4 [Moderate]
Friday 29 July
Partly cloudy. High (70%) chance of showers, most likely in the afternoon and evening with gusty winds in the south. Light winds becoming north to northwesterly 20 to 30 km/h in the morning then tending west to northwesterly 25 to 35 km/h in the evening. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching 20 to 25.
Saturday 30 July
Partly cloudy. Medium (40%) chance of showers in the morning. Winds westerly 15 to 25 km/h becoming light during the morning then becoming westerly 15 to 25 km/h during the day. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 17 and 20.
Sunday 31 July
Partly cloudy. High (70%) chance of showers in the south, medium (50%) chance elsewhere. The chance of a thunderstorm and hail in the afternoon. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly 30 to 45 km/h during the morning. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching around 14.
The next routine forecast will be issued at 5:00 am WST Thursday.