Drying winds on Sunday will spread eastward over southern West Texas then into South Texas. Already suffering from a dearth in rainfall, very low humidity will boost the threat of wildfire in an area spanning Del Rio, Laredo and the Lower Rio Grande Valley. Especially to the south and east, temperatures soaring into the 80s and even 90s will be an added factor in the fire risk.

Story by AccuWeather.com Senior Meteorologist Jim Andrews.