Weather forecast for Perth effective as of 11:00 AM Tuesday August 14

Weather forecast for Perth effective as of 11:00 AM Tuesday August 14
Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM)

Figure 3.Key features identified on True Colour RGB satellite image at around 06:00 UTC(2 PM local time yesterday).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 4.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 12 UTC(8 PM 
local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 4:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

A cold front and associated rain band moved across the region early today.Still possible showers today.

Another weak cold front brushes the region early on Friday.

Some uncertainty on the precise synoptic conditions from late next weekend with large variation between models and model ensembles.

The rest of Tuesday August 14:

City:

Max:18 Degrees Celsius

Possible shower or two.

Chance of any rain:40%

Perth metropolitan area:

Partly to mostly cloudy.A medium(40%) chance of showers.Winds southwesterly at 20-30 km/h becoming light at night.

Wednesday August 15:

City:

8-17 Degrees Celsius

Clouds decreasing.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly to mostly cloudy morning becoming partly cloudy from afternoon..A slight(20%) chance of a shower..Light winds.

Thursday August 16:

City:

8-18 Degrees Celsius

Shower or two.

Chance of any rain:50%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Partly cloudy.A medium(50%) chance of showers.Light winds tending westerly at 15-25 km/h during the day.

Friday August 17:

City:

10-19 Degrees Celsius

Showers easing.

Chance of any rain:70%

Amount:0.4 to 2 mm.

Perth metropolitan area:

Partly to mostly cloudy.A high(70%) chance of showers easing to a slight(30%) chance in the morning.Light winds.

Saturday August 18:

City:

7-20 Degrees Celsius

Mostly sunny.

Chance of any rain:10%

Amount:0  mm.

Perth metropolitan area:

Mostly sunny.Light winds.

Sunday August 19:

City:

9-22 Degrees Celsius

Mostly sunny.

Chance of any rain:20%

Amount:0  mm.

Perth metropolitan area:

Mostly sunny.A slight(20%) chance of a shower.Winds north-northeasterly at 15-25 km/h.

Monday August 20:

City:

9-19 Degrees Celsius

Possible showers.

Chance of any rain:40%

Amount:0 to 3 mm.

Perth metropolitan area:

Partly cloudy.A medium(40%) chance of showers.Winds west-southwesterly at 10-20 km/h.

Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 4:20 PM Wednesday July 11.Weather icons courtesy of the US National Weather Service.