View the current warnings for Western Australia
Forecast issued at 4:25 pm WST on Tuesday 30 September 2025.
Weather Situation
A high pressure ridge extends over southern WA as a weak cold front brushes past the south coast tonight and on Wednesday. The ridge will move east as a west coast trough develops on Thursday. The trough will move inland on Friday ahead of a cold front approaching from the west. A cloud band will develop over southern and central WA over the weekend.
Forecast for the rest of Tuesday
Clear. Winds southwesterly 15 to 20 km/h becoming light in the evening.
Wednesday 1 October
Mostly sunny. The chance of fog in the morning, mainly in the southwest. Light winds. Overnight temperatures falling to around 6 with daytime temperatures reaching the low to mid 20s.
- Fire Danger
- Mortlock: No Rating
- Karroun: No Rating
- Avon: No Rating
- Lockwood: No Rating
Sun protection 8:40am to 3:20pm, UV Index predicted to reach 8 [Very High]
7 day Town Forecasts
| Precis Icon | Location | Min | Max |
|---|---|---|---|
|
Dalwallinu | 6 | 24 |
|
|
Northam | 6 | 23 |
|
Merredin | 7 | 24 |
|
|
Southern Cross | 5 | 25 |
Thursday 2 October
Sunny. Winds east to southeasterly 15 to 20 km/h turning north to northeasterly during the morning then tending northeast to southeasterly in the evening. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching the low 30s.
Friday 3 October
Mostly sunny. Winds east to northeasterly 15 to 20 km/h shifting west to northwesterly 25 to 40 km/h during the morning. Overnight temperatures falling to between 7 and 16 with daytime temperatures reaching 27 to 33.
Saturday 4 October
Partly cloudy. The chance of morning fog in the northwest. High chance of showers in the far southwest, medium chance elsewhere. Light winds becoming northwesterly 20 to 30 km/h during the morning then tending northwest to southwesterly during the afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching the mid to high 20s.
The next routine forecast will be issued at 5:00 am WST Wednesday.
Product IDW13170