A red flag warning will be in effect Saturday from noon to 9 p.m. throughout Harris County, according to a forecast issued by the National Weather Service on Friday afternoon. The forecast, which was issued by the agency around 3 p.

A red flag warning does not necessarily mean there is a fire ongoing – extreme fire weather conditions are either occurring now, or will shortly, according to the NWS. If a fire does start, it has the potential to quickly become extreme due to the critical fire weather conditions.

In Oklahoma, red flag warnings are issued when conditions such as high temperatures, low humidity, and strong winds create a heightened risk of wildfires, urging residents to take extra precautions.

“Exceptionally dangerous” fire weather conditions will develop over North Texas on Friday, March 14, according to the National Weather Service Fort Worth.

Texas will experience wind gusts of up to 55 mph in parts on Wednesday, while relative humidity will plummet to as low as six percent.

Many wildfires in eastern Oklahoma have already sparked this March, and this week, the state will begin moving toward ‘extreme’ wildfire level risk.

A Red Flag Warning is issued when weather conditions are highly favorable for wildfires and grassfires to start and spread rapidly.

Strong wind gusts and low humidity could be conducive to wildfires on Friday and Saturday, the National Weather Service of Corpus Christi said.