Friday's weather will include damaging wind, blowing dust that reduces visibility and a critical risk of fast-moving fires.

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.

Six states have been placed under expanded red flag warnings amid a severe weather outbreak in the U.S. this weekend that could trigger "catastrophic grassland fire danger" for affected areas.