Mercedes, TX

Current conditions, hourly and 7-day forecast, and live radar for Mercedes, TX 78570. Right now: mostly clear, 78°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 78. Southeast wind 3 to 7 mph.
• Thursday: Sunny, with a high near 101. Heat index values as high as 109. Southeast wind 3 to 13 mph, with gusts as high as 21 mph.
• Thursday Night: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 79. Heat index values as high as 106. Southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
• Friday: Sunny. High near 102, with temperatures falling to around 98 in the afternoon. Heat index values as high as 110. South southeast wind 9 to 17 mph, with gusts as high as 28 mph.
• Friday Night: Mostly clear, with a low around 80. South southeast wind 12 to 17 mph, with gusts as high as 29 mph.
• Saturday: Sunny, with a high near 101. South southeast wind 12 to 17 mph, with gusts as high as 31 mph.