Weather forecast for Perth effective as of 9:00 PM Friday June 29

Weather forecast for Perth effective as of 9:00 PM Friday June 29
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).

Cold air mass lies over the region,possible frost over the hills early today with excellent radiational cooling.Dew points might be a little too warm though.Warm air advection during the weekend resulting in warm air mass over the region on Sunday,Monday.

Plenty of rainfall likely on Monday with a rainband associated with a cold front ahead of an upper level trough interacting with tropical moisture.

Strong low to the south results in strong gusty winds on Tuesday,also vigorous westerly flow possible on Wednesday and Thursday altogether bringing a wet working week,possible cold frontal passage on Thursday.

The rest of Friday June 29:

City:

Clear.

Chance of any rain:0%

Perth metropolitan area:

Clear.Patches of frost possible in the hills.Winds easterly at 10-20 km/h becoming light from afternoon.

Saturday June 30:

City:

4-19 Degrees Celsius

High clouds(partly cloudy).

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

High clouds(partly cloudy).Winds northeasterly at 10-20 km/h becoming northerly in the afternoon becoming light from late afternoon.

Sunday July 1:

City:

6-21 Degrees Celsius

Partly to mostly cloudy.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Partly to mostly cloudy.Winds north-northeasterly at 15-25 km/h becoming north-northwesterly from around the middle of the day.

Monday July 2:

City:

14-20 Degrees Celsius

Windy with rain,showers,possible heavy.

Chance of any rain:100%

Amount:15 to 35 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(100%) chance of rain and showers.The chance of a thunderstorm.Heavy falls possible.Winds northwesterly at 20-30 km/h strengthening to 30-50 km/h from afternoon.Gusty winds likely from afternoon.

Tuesday July 3:

City:

14-18 Degrees Celsius

Windy with showers.

Chance of any rain:90%

Amount:4 to 15 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(90%) chance of showers.Winds west-northwesterly at 35-50 km/h shifting west-southwesterly by late afternoon easing to 15-30 km/h at night.Gusty winds likely.

Wednesday July 4:

City:

11-18 Degrees Celsius

Windy with showers.

Chance of any rain:90%

Amount:3 to 10 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(90%) chance of showers.The chance of a thunderstorm.Winds westerly at 35-50 km/h.Gusty winds likely.

Thursday July 5:

City:

8-17 Degrees Celsius

Showers.

Chance of any rain:80%

Amount:1 to 6 mm.

Perth metropolitan area:

Partly to mostly cloudy.A high(80%) chance of showers.Winds southwesterly at 20-30 km/h.Gusty winds possible.

Friday July 6:

City:

8-18 Degrees Celsius

Shower or two.

Chance of any rain:50%

Amount:0 to 2 mm.

Perth metropolitan area:

Partly to mostly cloudy.A medium(50%) chance of showers.Winds 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.