Weather forecast for Perth effective as of 5:00 PM Thursday May 31

Weather forecast for Perth effective as of 5:00 PM Thursday May 31
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 5:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

There were some thunderstorms this morning ahead of the cold front in areas of low level wind convergence.Some hail was reported in the thunderstorms.The rain band associated with the cold front then 

Cold air mass lies over the region,cold mornings as a ridge of high pressure builds.

Moisture ahead of an upper/middle level trough/disturbance likely brings elevated showers/thunderstorms with a strong cold front to move across the region on Tuesday.

The rest of Thursday May 31:

City:

Possible shower.

Chance of any rain:30%

Perth metropolitan area:

Partly cloudy.A slight(30%) chance of chance of showers.Winds south-southwesterly at 10-20 km/h becoming light at night.

Friday June 1:

City:

8-18 Degrees Celsius

Partly to mostly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly to mostly cloudy.A slight(20%) chance of a shower.Light winds.

Saturday June 2:

City:

5-20 Degrees Celsius

High clouds developing(mostly sunny)

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny then high clouds developing from late afternoon(mostly sunny).Winds east-northeasterly at 10-20 km/h becoming light from around the middle of the day.

Sunday June 3:

City:

5-22 Degrees Celsius

High clouds(mostly sunny)

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

High clouds(mostly sunny).Winds easterly at 10-20 km/h tending light from around the middle of the day.

Monday June 4:

City:

9-22 Degrees Celsius

Showers,possible thunderstorm developing.

Chance of any rain:60%

Amount:0 to 3 mm.

Perth metropolitan area:

Partly cloudy.A medium(60%) chance of showers from afternoon.The chance of thunderstorms from afternoon.Winds north-northeasterly at 15-25 km/h increasing to 20-35 km/h from late afternoon.

Tuesday June 5:

City:

12-21 Degrees Celsius

Windy with showers.Possible thunderstorm.

Chance of any rain:95%

Amount:4 to 15 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(95%) chance of showers.The chance of a thunderstorms.Winds northerly at 25-40 km/h becoming northwesterly at 35-50 km/h from late morning.Gusty winds likely.

Wednesday June 6:

City:

10-18 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:1 to 8 mm.

Perth metropolitan area:

Partly cloudy.A very high(90%) chance of showers.Winds west-southwesterly at 20-35 km/h.

Thursday June 7:

City:

10-18 Degrees Celsius

Showers.

Chance of any rain:80%

Amount:1 to 7 mm.

Perth metropolitan area:

Partly cloudy.A high(80%) chance of showers.The chance of a thunderstorm.Winds west-southwesterly at 15-25 km/h.

Forecast for today produced at 11:45 PM Monday May 7,forecast for the rest of the days produced at 5:00 PM Monday May 7.Weather icons courtesy of the US National Weather Service.