Thanks to an increasing wind, warm temperatures and dry conditions, the fire danger threat will return to North Texas to start the week.

Experts recommend avoiding open flames or sparks, keeping vehicles off dry grass and properly discarding cigarettes.

The National Weather Service in St. Louis upgraded the fire weather warning Sunday afternoon, forecasting low humidity and high wind. A red flag warning means that weather and land conditions are "favorable" for rapid and erratic fire spread if a fire ignites.