Weather forecast for Perth effective as of 10:00 PM Sunday July 15

Weather forecast for Perth effective as of 10:00 PM Monday July 16
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).

Plenty of showers occurred today and will occur tomorrow in moist west-southwesterly air stream.

On Wednesday a cold front will brush the region bringing showers.

Another cold frontal passage is likely late on Friday/early on Saturday.

The rest of Sunday July 15:

City:

Showers.

Chance of any rain:80%

Perth metropolitan area:

Mostly cloudy.A high(80%) chance of showers.Light winds.

Monday July 16:

City:

12-19 Degrees Celsius

Showers.

Chance of any rain:95%

Amount:1 to 4 mm.

Perth metropolitan area:

Mostly cloudy.A very high(95%) chance of showers.Winds west-southwesterly at 20-30 km/h becoming light at night.

Tuesday July 17:

City:

6-18 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 0.4 mm.

Perth metropolitan area:

Partly to mostly cloudy.A slight(30%) chance of showers most likely at night.Light winds becoming west-northwesterly at 15-25 km/h from late morning becoming westerly at 10-20 km/h at night.

Wednesday July 18:

City:

9-19 Degrees Celsius

Showers.

Chance of any rain:80%

Amount:0.4 to 3 mm.

Perth metropolitan area:

Partly to mostly cloudy.A high(80%) chance of showers.Winds west-southwesterly at 10-20 km/h.

Thursday July 19:

City:

6-18 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(20%) chance of showers.Light winds.

Friday July 19:

City:

6-21 Degrees Celsius

Night showers.

Chance of any rain:70%

Amount:1 to 5 mm.

Perth metropolitan area:

Mostly sunny morning.A high(70%) chance of showers from evening.The chance of a thunderstorm at night.Winds northwesterly at 20-30 km/h becoming westerly at night.

Saturday July 20:

City:

12-20 Degrees Celsius

Showers.

Chance of any rain:95%

Amount:5 to 15 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(95%) chance of showers.The chance of a thunderstorm in the morning.Winds west-northwesterly at 15-25 km/h.

Sunday July 21:

City:

11-19 Degrees Celsius

Showers.Becoming windy.

Chance of any rain:90%

Amount:4 to 10 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(90%) chance of showers.Winds west-northwesterly at 25-40 km/h increasing to westerly at 35-50 km/h.Gusty winds likely.

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.