Southern Interior District

View the current warnings for Western Australia

Forecast updated at 6:13 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

Mostly clear. Areas of raised dust. Slight (20%) chance of a shower in the southeast, becoming less likely in the evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the east. Winds northwest to southwesterly 25 to 35 km/h.

Monday 17 December

Sunny morning. The chance of a thunderstorm in the south in the afternoon. Winds northwest to southwesterly 20 to 30 km/h becoming northwesterly 25 to 40 km/h in the middle of the day then turning west to southwesterly 20 to 30 km/h in the late morning and afternoon. Overnight temperatures falling to between 18 and 27 with daytime temperatures reaching 33 to 44.

Fire Danger - South Interior: Catastrophic

Sun protection 7:40am to 4:00pm, UV Index predicted to reach 12 [Extreme]

7 day Town Forecasts

Precis Icon Location Min Max
Sunny. Warburton 27 41

Tuesday 18 December

The chance of a thunderstorm near the border in the early morning. Sunny day. Winds south to southwesterly 15 to 25 km/h tending west to southwesterly in the middle of the day then tending south to southwesterly 20 to 30 km/h in the late afternoon. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching 32 to 40.

Wednesday 19 December

Sunny. Winds south to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 15 and 21 with daytime temperatures reaching 30 to 40.

Thursday 20 December

Sunny morning. The chance of a thunderstorm in the far west in the afternoon and evening. Winds southeasterly 25 to 35 km/h. Overnight temperatures falling to between 13 and 22 with daytime temperatures reaching 30 to 41.

The next routine forecast will be issued at 5:00 am WST Monday.

Product IDW13230