Forecast issued at 4:30 pm EDT on Tuesday 17 January 2017.
A high is over the Tasman Sea and a trough is located over northern inland New South Wales. The trough is expected to weaken and the high will continue directing a hot northerly airstream over the state. A cold front and associated trough of low pressure is expected to move through the west and south of New South Wales during Wednesday, bringing a milder southerly change. The change should move through the remainder of the state on Thursday, although high temperatures will remain over the northwest.
Forecast for the rest of Tuesday
Mostly clear. Winds west to northwesterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the evening.
Wednesday 18 January
Hot. Mostly sunny morning. Medium (60%) chance of showers, most likely in the afternoon. The chance of a thunderstorm in the afternoon and early evening. Winds northwesterly 20 to 30 km/h increasing to 30 to 45 km/h in the morning then shifting southeasterly 20 to 30 km/h in the afternoon. Overnight temperatures falling to the mid to high 20s with daytime temperatures reaching around 40.
- Fire Danger
- North Coast: Very High
- Greater Hunter: Very High
- Greater Sydney Region: Very High
- Central Ranges: Severe
Sun protection 8:50am to 5:40pm, UV Index predicted to reach 16 [Extreme]
Thursday 19 January
Cloudy. Medium (40%) chance of showers, most likely in the early morning. Winds east to southeasterly 15 to 25 km/h. Overnight temperatures falling to between 17 and 20 with daytime temperatures reaching 25 to 32.
Friday 20 January
Partly cloudy. Very high (90%) chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds northeast to southeasterly 15 to 20 km/h tending northwest to northeasterly 20 to 30 km/h during the morning then becoming northwesterly 25 to 35 km/h during the day. Overnight temperatures falling to between 17 and 20 with daytime temperatures reaching the low to mid 30s.
Saturday 21 January
Partly cloudy. Slight (30%) chance of a shower, most likely in the morning. Winds northwest to southwesterly 15 to 20 km/h tending south to southeasterly during the morning then tending east to southeasterly during the afternoon. Overnight temperatures falling to between 18 and 21 with daytime temperatures reaching 26 to 31.
The next routine forecast will be issued at 5:15 am EDT Wednesday.