


NWS Forecast for: Trinity County Issued by: National Weather Service Houston, TX Last Update: 1138 AM CDT Mon Aug 18 2025 | ![]() |
This Afternoon: Sunny. A chance of showers and thunderstorms. Hot with highs in the upper 90s. Light and variable winds, becoming northeast around 5 mph. Chance of rain 40 percent. Heat index values up to 106. Tonight: Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 70s. East winds around 5 mph. Chance of rain 40 percent. Tuesday: Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. North winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 107. Tuesday Night: Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph, becoming southwest after midnight. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 111. Wednesday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 110 early in the evening. Thursday: Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. Heat index values up to 105. Thursday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 40 percent. Friday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 105. Friday Night: Partly cloudy. Lows in the mid 70s. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Sunday: Sunny, hot with highs in the mid 90s. | |
Zone Forecast: Trinity County | |
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