A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

A cold front is expected to move through early Wednesday with strong northwesterly winds and very dry air, elevating the fire danger threat for potential rapid growth and spread of any wildfires that start. ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM CDT WEDNESDAY FOR FOR THE COMBINATION OF LOW HUMIDITY, STRONG NORTHWEST WINDS, AND DRYING FUELS FOR ZAPATA, STARR, JIM HOGG, BROOKS HIDALGO, INLAND KENEDY, INLAND WILLACY, AND INLAND CAMERON COUNTIES... * AFFECTED AREA...Zapata, Starr, Jim Hogg, Brooks, Hidalgo, Inland Kenedy, Inland Willacy, and Inland Cameron Counties. * TIMING...Noon PM CDT to 9 PM CDT. * WINDS...Northwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Between 15 to 25 percent. * TEMPERATURES...Mid 80s. * LIGHTNING...None. * IMPACTS...Rapid spread of wildfire on drying grasses and brush is possible on Wednesday.