The weather forecast predicts wind gusts of up to 90km/hr, and the mercury is set to peak at 33 degrees. Some nature reserves and roads will be closed.

ACT Emergency Services Agency Commissioner Dominic Lane declared the ban in light of the forecast hot, dry and windy weather conditions.

The forecast Fire Danger Rating is predicted to be Severe.

The ACT Commissioner is warning Canberrans that if a fire starts at the forecast fire danger level of Severe it may be uncontrollable and move quickly. Flames may be higher than roof tops. There is a chance people in the path of a fire may be injured or die. Some homes and businesses may be destroyed.

Leaving early is the safest option. Well prepared and actively defended houses can offer safety during a fire.

The following nature reserves and roads will be closed for the duration of the Total Fire Ban:

Tidbinbilla Nature Reserve, selected roads within Namadgi National Park including Apollo Road, Orroral Road, Old Mill Road, Warks Road, Mount Franklin Road and the Corin Dam Road, Googong Foreshores, Kowen Forest, Lower Molonglo River Corridor, Molonglo Gorge Nature Reserve, Mulligans Flat Woodlands Sanctuary and the Centenary Trail between Goorooyarroo Nature Reserve and Hall.

The Boboyan Road and Brindabella Road remain open to through traffic.

The Tidbinbilla and Namadgi Visitors Centres will remain open.

Swimming areas at the Cotter and along the Murrumbidgee River such as Kambah Pool, Pine Island Point Hut and Uriarra Crossing will remain open.

Electric barbecues in parks and reserves including the National Arboretum and in Canberra's urban parks will be available, however all gas barbecues will be turned off.

There are also restrictions on lighting fires or undertaking high risk activities, such as welding or grinding, which may cause a fire to ignite. Visit the website for more information.

Saturday night's Skyfire event will not be affected by the Total Fire Ban.