Weather forecast for Perth effective as of 5:00 PM Monday March 26

Weather forecast for Perth effective as of 5:00 PM Monday March 26:

Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at  06 UTC(2 PM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 4.Key features identified on True Colour RGB satellite image at around 07:00 UTC(3 PM local time today).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 5.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 06 UTC(2 PM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 6:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

As predicted,moist air from what was Tropical Cyclone Marcus led to plenty of low clouds today,with rain,drizzle and showers at times especially in the afternoon as a low pressure trough moved through.

The chance of a middle level rain band tonight.


Cooler air mass then lies over the region with sunny conditions by tomorrow afternoon with a ridge of high pressure building to the south.

Slightly warming conditions towards the end of the working week as a west coast trough forms near the west coast with some warm air advection.

The high pressure system likely lies to the south during the weekend leading to a somewhat east-southeasterly pressure gradient.

The rest of Monday March 26:

City:

Possible rain,drizzle and showers.

Chance of any rain:40%

Perth metropolitan area:

Cloudy.A medium(60%) chance of rain,drizzle and showers in the southwest,a medium(40%) chance elsewhere.Winds west-southwesterly at 15-30 km/h then southwesterly becoming south-southwesterly at 15-25 km/h at night.

Tuesday March 27:

City:

16-24 Degrees Celsius

Clouds clearing.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy becoming sunny by afternoon.A slight(20%) chance of light rain and showers in the early hours.Winds south-southeasterly at 10-20 km/h tending south-southwesterly at 20-30 km/h in the afternoon and evening .

Wednesday March 28:

City:

13-25 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds southeasterly at 10-20 km/h becoming south-southwesterly at 20-30 km/h from afternoon becoming southerly at 10-20 km/h at night.

Thursday March 29:

City:

13-28 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds southeasterly at 10-20 km/h tending south-southwesterly at 20-30 km/h in the afternoon and evening becoming south-southeasterly at 10-25 km/h at night.

Friday March 30:

City:

16-31 Degrees Celsius

Some high clouds(mostly sunny).

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Some high clouds(mostly sunny).Winds east-southeasterly at 20-30 km/h tending 10-20 km/h in the afternoon and evening.

Saturday March 31:

City:

17-29 Degrees Celsius

Some high clouds(mostly sunny)

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds southeasterly at 15-25 km/h.

Sunday April 1:

City:

15-28 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 15-25 km/h tending 10-20 km/h in the afternoon.

Monday April 2:

City:

15-29 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 15-25 km/h tending  south-southwesterly at 15-25 km/h in the afternoon and evening becoming southeasterly at 10-20 km/h at night.

Forecast produced at 5:00 PM Monday March 26.Weather icons courtesy of the US National Weather Service.