As Houstonians woke up to heavy rain early Tuesday, weather officials warned of an increased risk for wildfire growth later in the day. The National Weather Service issued a Red Flag Warning for the Houston area from 10 a.

The troubling mix of drought, dormant grass and brush, low humidity, and howling 45-mph wind gusts have created a dangerous and potentially historic wildfire risk on Tuesday. The National Weather Service’s Storm Prediction Center has raised its fire danger outlook to “extreme,