The warning is in place until July 6.
The warning was put in place at 9am on July 2.
Due to high temperatures and effective drought conditions, an extreme fire risk is deemed to exist in all areas where hazardous fuels exist.
The fire risk is further compounded by higher ignitions risks associated with increased human activity on high fire risk land types associated with current weather.
People have been advised against the outdoor use of fires, barbecues and other open ignition sources on forest lands.
Caution is again advised with respect to hay making and the use of machinery and other agricultural activity that may also present a risk of fire in dry vegetation in current conditions.
There appears to be a strong correlation between fire activity and illegal dumping and other illegal activities on public lands in recent days and an increased vigilance by land managers and landowners is advised.
The 'Condition Red' fire warning has been extended by @agriculture_ie until Friday, remember:
🔥 No open fires or BBQs
🚒 Call 999 if you see a fire
👩🏻🚒 Don’t attempt to fight the fire
🚘 Don’t drive near the fires or through the smoke pic.twitter.com/12FeMSWHpw
— Dublin Fire Brigade (@DubFireBrigade) July 2, 2018