Explanatory notes:
Scroll down below this section for forecast.
Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 12 UTC(8 PM local time yesterrday).Image courtesy of the Australian Bureau of Meteorology(BOM).
With excellent radiational cooling temperatures dropped considerably last night.But temperature rose back early today with an increase in dew points,cloud cover and wind.
A cold front moves through the region from the southwest late tonight and over the rest of the region early on Wednesday with a cold air mass over the region thereafter.
Further cold fronts are likely to move across the region next weekend.The most likely scenario is a cold front moving across the region during the PM of Saturday then another cold front moving across the region early on Sunday.
A cold front moves through the region from the southwest late tonight and over the rest of the region early on Wednesday with a cold air mass over the region thereafter.
Further cold fronts are likely to move across the region next weekend.The most likely scenario is a cold front moving across the region during the PM of Saturday then another cold front moving across the region early on Sunday.
The rest of Tuesday April 17:
Perth metropolitan area:
City:
Clouds increasing later.
Chance of any rain:20%
Perth metropolitan area:
Mostly sunny becoming mostly cloudy later at night.A medium(50%) chance of showers in the southwest at night,a slight(20%) elsewhere late at night.Winds west-southwesterly at 15-25 km/h becoming light at night.
Wednesday April 18:
Perth metropolitan area:
Wednesday April 18:
City:
15-23 Degrees Celsius
Early showers.
Chance of any rain:70%
Amount:0.4 to 2 mm.
Perth metropolitan area:
Partly to mostly cloudy.A very high(90%) chance of showers near the coast in the early hours and early morning,grading to a medium(50%) chance over inland areas.Light winds becoming southwesterly at 15-25 km/h in the morning becoming south-southwesterly at 5-15 km/h at night.
Thursday April 19:
Perth metropolitan area:
Thursday April 19:
City:
13-21 Degrees Celsius
Possible shower.
Chance of any rain:30%
Amount:0 to 0.2 mm.
Perth metropolitan area:
Partly to mostly cloudy.A slight(30%) chance of showers.Light winds tending west-southwesterly at 10-20 km/h in the afternoon and evening.
Friday April 20:
Perth metropolitan area:
Friday April 20:
City:
12-22 Degrees Celsius
Possible shower.
Chance of any rain:30%
Amount:0 to 0.2 mm.
Perth metropolitan area:
Partly cloudy.A slight(30%) chance of showers.Light winds tending west-northwesterly at 10-20 km/h in the afternoon and evening.
Saturday April 21:
Saturday April 21:
City:
12-24 Degrees Celsius
Showers.
Chance of any rain:80%
Amount:3 to 10 mm.
Perth metropolitan area:
Partly to mostly cloudy.A high(80%) chance of showers most likely from afternoon.The chance of thunderstorms.Winds northwesterly at 20-30 km/h.
Perth metropolitan area:
Sunday April 22:
City:
16-22 Degrees Celsius
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 thunderstorms.Winds west-northwesterly at 20-30 km/h becoming west-southwesterly later.
Perth metropolitan area:
Monday April 23:
City:
14-21 Degrees Celsius
Possible showers.
Chance of any rain:40%
Amount:0 to 1 mm.
Perth metropolitan area:
Partly cloudy.A medium(40%) chance of showers.Winds westerly at 10-25 km/h.
Perth metropolitan area:
Tuesday April 24:
City:
11-23 Degrees Celsius
Partly cloudy.
Chance of any rain:20%
Amount:0 mm.
Perth metropolitan area:
Partly cloudy.A slight(20%) chance of a shower.Light winds.
Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 5:00 PM Monday April 16.Weather icons courtesy of the US National Weather Service.
