Australian Government Bureau of Meteorology
South Australia
Fire Weather Warning
for Eastern Eyre Peninsula, Lower Eyre Peninsula, Mount Lofty Ranges, Yorke Peninsula, Murraylands, Upper South East and Lower South East fire weather districts
Issued at 04:05 PM CDT on Wednesday 17 December 2025
Weather Situation
Extreme fire danger is expected across much of southern South Australia on Thursday. Hot and dry conditions are expected with freshening northeast to northwesterly winds shifting fresh west to southwesterly from the west and south, with fresh and gusty southwest to southerly behind the change during the afternoon and evening.
For Thursday 18 December:
Extreme Fire Danger for the following areas:
Eastern Eyre Peninsula, Lower Eyre Peninsula, Mount Lofty Ranges, Yorke Peninsula, Murraylands, Upper South East and Lower South East
The Country Fire Service advises you to:
Action your Bushfire Survival Plan now.
Monitor the fire and weather situation through your local radio station, www.cfs.sa.gov.au, and www.bom.gov.au.
Call 000 (Triple Zero) in an emergency.
For information on preparing for bushfires go to www.cfs.sa.gov.au.
The next warning will be issued by 7:00 am CDT Thursday.
Forecast
Mount Observation (35.3369°S, 138.7448°E, 140m AMSL) set as my default location ›
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7 day forecast
Today: Sunny. Winds N/NW 25 to 35 km/h tending NW/SW in the middle of the day then tending SE/SW 15 to 20 km/h in the evening. Overnight temperatures falling to between 17 and 20 with daytime temperatures reaching around 40.
Forecast for Mount Observation (35.3369°S, 138.7448°E, 140m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary 
Minimum 17° 19° 13° 13° 12° 11° 11° Maximum 41° 32° 25° 24° 23° 22° 23° Chance of rain 30% 30% 70% 50% 10% 30% 10% Likely amount < 1mm < 1mm 1-5mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Extreme High Moderate High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 15
(km/h)21
(km/h)8
(km/h)18
(km/h)12
(km/h)15
(km/h)21
(km/h)26
(km/h)12
(km/h)17
(km/h)13
(km/h)18
(km/h)14
(km/h)20
(km/h)Wind direction N WNW WSW SW SSW S WNW W SW SSW SW SSW SW SW Relative humidity 21% 15% 42% 46% 66% 49% 73% 50% 62% 48% 66% 51% 63% 51% Dew point 7°C 10°C 14°C 17°C 12°C 13°C 15°C 13°C 10°C 11°C 11°C 12°C 11°C 13°C -
Sunrise and sunset times
Sunrise / Sunset for Mount Observation (35.3369°S, 138.7448°E, 140m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:25am CDT 5:55am CDT 8:27pm CDT 8:57pm CDT 4:01am CDT 7:09pm CDT 
Waning crescent
New moon Dec 20 First quarter Dec 28 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
