Forecast issued at 4:25 pm CDT on Monday 16 January 2017.
A high pressure system is located in the Tasman Sea. A trough of low pressure will develop over the far northeast of the State tonight and move southwestwards during Tuesday. Additionally, another trough will move into the far west early on Tuesday, then gradually extend eastwards during the day. These troughs will merge later Tuesday over the north of the State and remain stationary on Wednesday. Another high will pass to the south of the Bight during Wednesday then a broad area of low pressure is expected to develop over the State on Thursday.
Forecast for the rest of Monday
Clear. Light winds.
Tuesday 17 January
Very hot and sunny. Winds north to northeasterly 25 to 35 km/h shifting south to southwesterly in the late afternoon. Overnight temperatures falling to around 16 with daytime temperatures reaching around 40.
Fire Danger - Severe
Sun protection 9:00am to 6:00pm, UV Index predicted to reach 16 [Extreme]
Wednesday 18 January
Partly cloudy. Slight (20%) chance of rain in the southwest, most likely at night. Near zero chance of rain elsewhere. Winds southerly 15 to 25 km/h. Overnight temperatures falling to around 16 with daytime temperatures reaching around 30.
Thursday 19 January
Partly cloudy. High (70%) chance of rain, most likely in the evening. The chance of a thunderstorm in the afternoon and evening. Heavy falls possible in the west. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly during the morning then becoming light during the evening. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching the low to mid 30s.
Friday 20 January
Partly cloudy. High (70%) chance of showers, most likely in the morning. The chance of a thunderstorm in the morning. Heavy falls possible near the eastern border. Winds southwesterly 20 to 30 km/h turning southerly 15 to 25 km/h during the evening. Overnight temperatures falling to around 17 with daytime temperatures reaching the mid to high 20s.
The next routine forecast will be issued at 5:40 am CDT Tuesday.