Forecast issued at 4:25 pm WST on Friday 20 January 2017.
A deep trough lies across the central Gascoyne and will extend southwards across inland parts of the South West Land Division on Saturday. The trough moves quickly eastwards during Sunday and Monday with a new ridge of high pressure developing along the south coast early next week. A second trough lies through the South Interior and Eucla, and will dissipate during Sunday.
Forecast for the rest of Friday
Clear. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the late evening.
Saturday 21 January
Mostly sunny. Winds northeast to southeasterly 15 to 20 km/h becoming light in the morning then becoming southeast to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to between 14 and 21 with daytime temperatures reaching the high 30s.
- Fire Danger
- Mortlock: Very High
- Ninghan: High
- Avon: High
- Jilbadgie: High
Sun protection 8:10am to 4:50pm, UV Index predicted to reach 16 [Extreme]
Sunday 22 January
Mostly sunny. The chance of a thunderstorm in the far east in the afternoon. Winds south to southwesterly 15 to 20 km/h becoming light before dawn then becoming southwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 17 and 25 with daytime temperatures reaching 33 to 40.
Monday 23 January
Mostly sunny. Winds south to southwesterly 20 to 25 km/h tending south to southeasterly 20 to 30 km/h during the day. Overnight temperatures falling to between 10 and 17 with daytime temperatures reaching around 30.
Tuesday 24 January
Sunny. Winds southeasterly 20 to 30 km/h tending easterly during the morning then tending east to southeasterly 15 to 20 km/h during the afternoon. Overnight temperatures falling to between 11 and 17 with daytime temperatures reaching the low to mid 30s.
The next routine forecast will be issued at 5:00 am WST Saturday.