View the current warnings for Western Australia
Forecast updated at 6:59 pm WST on Sunday 16 December 2018.
Weather Situation
A deep trough lies east from the Central Wheat Belt to a deep low over the southeast of the state. The trough is expected to contract eastwards to be over the east of the state during tonight and tomorrow. The low pressure system then moves into the Bight during Monday night and Tuesday morning. A ridge of high pressure will develop over southern parts of the State from late Monday and strengthen further on Tuesday. A trough begins developing down the west coast on Wednesday and Thursday.
Forecast for the rest of Sunday
Partly cloudy. Medium (50%) chance of showers and thunderstorms. Gusty winds and heavy falls possible with thunderstorms. Winds south to southeasterly 25 to 40 km/h decreasing to 25 to 30 km/h in the late evening.
Monday 17 December
Cloudy. High (80%) chance of showers in the southeast, medium (50%) chance elsewhere. The chance of a thunderstorm in the morning and afternoon. Winds southerly 25 to 35 km/h. Overnight temperatures falling to between 12 and 15 with daytime temperatures reaching 21 to 26.
- Fire Danger
- Mortlock: High
- Ninghan: High
- Avon: High
- Jilbadgie: High
Sun protection 7:40am to 4:30pm, UV Index predicted to reach 14 [Extreme]
7 day Town Forecasts
| Precis Icon | Location | Min | Max |
|---|---|---|---|
|
Dalwallinu | 14 | 25 |
|
|
Northam | 14 | 27 |
|
|
Merredin | 15 | 23 |
|
|
Southern Cross | 14 | 21 |
Tuesday 18 December
Partly cloudy. Winds south to southeasterly 15 to 20 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching the mid to high 20s.
Wednesday 19 December
Sunny. Winds southeasterly 15 to 20 km/h becoming light during the morning then becoming southeasterly 15 to 25 km/h during the afternoon. Overnight temperatures falling to between 9 and 14 with daytime temperatures reaching around 30.
Thursday 20 December
Sunny. Winds southeasterly 20 to 30 km/h. Overnight temperatures falling to between 9 and 16 with daytime temperatures reaching around 30.
The next routine forecast will be issued at 5:00 am WST Monday.
Product IDW13170