The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...

Will it hit 100 degrees this weekend? A heat map from the National Weather Service shows Texas blanketed in dark red, signaling intense temperatures across the state. Forecasts suggest parts of ...

March was exceptionally hot across South Texas—hotter than it has ever been this early in the year. San Antonio recorded an average daily high temperature of 82.7 degrees, which is 8.9 degrees ...