| NWS Forecast for: Frio County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 354 PM CDT Tue Aug 25 2026 | |
| Tonight: Clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Highest heat index readings up to 106 early this evening. Wednesday: Sunny, hot with highs around 104. Southeast winds 5 to 10 mph. Wednesday Night: Clear. Lows in the upper 70s. Southeast winds 5 to 10 mph. Highest heat index readings up to 105 early in the evening. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 102. Southeast winds around 5 mph. Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. East winds around 5 mph. Friday: Partly cloudy in the morning, then becoming mostly sunny. Hot with highs around 100. Highest heat index readings up to 110. Friday Night Through Sunday Night: Clear, hot. Lows in the mid 70s. Highs around 100. Highest heat index readings up to 105. Monday: Mostly sunny. Hot with highs around 100. Monday Night: Clear. Lows in the mid 70s. Tuesday: Mostly sunny. Hot with highs around 100. Highest heat index readings up to 110. | |
| Zone Forecast: Frio County | |
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