Forecast issued at 5:15 am EST on Wednesday 28 September 2016.
A high pressure ridge over eastern Australia is weakening as a complex low pressure system develops in the Bight. This low, together with a strong cold front, will move across southeast Australia from late on Wednesday through to Friday, bringing widespread rain and strong winds to many parts of New South Wales in this period. Another weak high pressure ridge will build across the state on Saturday, before the next cold front is expected to cross the state during Sunday and Monday.
Forecast for the rest of Wednesday
Sunny day. Slight (20%) chance of rain in the west late tonight. Light winds becoming northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 16 and 21.
- Fire Danger
- Greater Hunter: Low-Moderate
- Greater Sydney Region: Low-Moderate
- Illawarra/Shoalhaven: Low-Moderate
- Southern Ranges: Low-Moderate
- Central Ranges: Low-Moderate
- North Western: Low-Moderate
Sun protection 8:50am to 3:20pm, UV Index predicted to reach 8 [Very High]
Thursday 29 September
Cloudy. Very high (90%) chance of rain, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon. Winds north to northeasterly 15 to 25 km/h becoming northeasterly 25 to 35 km/h early in the morning then turning northwesterly 35 to 50 km/h in the late morning. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 10 and 15.
Friday 30 September
Cloudy. High (70%) chance of showers. Snow falling above 1000 metres. Winds northwesterly 35 to 50 km/h. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 6 and 12.
Saturday 1 October
Cloudy. Slight (30%) chance of a shower in the morning. Winds westerly 30 to 45 km/h. Overnight temperatures falling to between 4 and 9 with daytime temperatures reaching between 11 and 17.
The next routine forecast will be issued at 4:30 pm EST Wednesday.