7 day weather forecast

    Effective as of 9:00 PM Friday May 28 2021

Explanatory notes:

A surface trough ahead of an upper level trough in a moist and unstable atmosphere leads to rain,showers and thunderstorms with heavy rain that could lead to flash flooding possible. The Australian Bureau of Meteorology (BOM) has issued a severe weather warning for heavy rainfall including the Perth Metropolitan Area at http://www.bom.gov.au/products/IDW21037.shtml .

Thereafter on Saturday, the cut off low lies to the southeast, showery conditions with the possibility of thunderstorms for Perth with the moist flow ahead of the upper level trough.

Showery conditions continue on Sunday in the south-southwesterly air stream.

Improving conditions from early next week with the ridge of high pressure building to the south.

The rest of Friday May 28:

City:

Rain,showers and thunderstorms.

Chance of any rain:100%

Perth Metropolitan Area:

Mostly cloudy.A very high (100%) chance of rain,showers and thunderstorms. Winds north-northeasterly at 10-20 km/h tending southwesterly briefly.

Saturday May 29:

City:

15-21  Degrees Celsius

Showers and thunderstorms.Possible heavy falls.

Chance of any rain:100%

Amount:10 to 35 mm

Severe weather warning in effect!

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (100%) chance of showers and thunderstorms.Heavy rain which may lead to flash flooding possible early.Winds north-northwesterly at 15-25 km/h shifting westerly from around the middle of the day becoming light at night.

Note:

The Australian Bureau of Meteorology (BOM) has issued a severe weather warning for heavy rainfall including the Perth Metropolitan Area at http://www.bom.gov.au/products/IDW21037.shtml .

Sunday May 30:

City:

11-19  Degrees Celsius

Showers.

Chance of any rain:80%

Amount:2 to 8 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A high (80%) chance of showers.Light winds becoming south-southwesterly at 20-30 km/h from around the middle of the day becoming south-southeasterly at 10-20 km/h later at night.

Monday May 31:

City:

9-18  Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight (20%) chance of a shower.Light winds becoming south-southwesterly at 20-30 km/h from around the middle of the day becoming south-southeasterly at 10-20 km/h later at night.

Tuesday June 1:

City:

6-19  Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Light winds tending south-southwesterly at 10-20 km/h in the afternoon.

Wednesday June 2:

City:

7-20  Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Light winds.

Thursday June 3:

City:

7-20  Degrees Celsius

Mostly sunny.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

Mostly sunny.Winds northeasterly at 10-20 km/h becoming light from afternoon.

Friday June 4:

City:

8-21  Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 1 mm

Perth Metropolitan Area:

Partly cloudy.A slight(30%) chance of a shower.Winds north-northeasterly at 10-25 km/h shifting southwesterly later during the day.

Charts:

                                   

Figure 1.Surface synoptic chart.Image courtesy of the Australian Bureau of Meteorology(BOM).

 2. 

The Australian Bureau of Meteorology (BOM) has issued a severe weather warning for heavy rainfall including the Perth Metropolitan Area at http://www.bom.gov.au/products/IDW21037.shtml .

Figure 2.Key features identified on True Colour RGB satellite image.Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image. Image courtesy of the Australian Bureau of Meteorology(BOM)

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

No liabilities held from information consumed on this site. Weather icons are from the US National Weather Service.Some information on this site is from the Australian Bureau of Meteorology (BOM).