| NWS Forecast for: Frio County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 128 PM CDT Fri Jul 31 2026 |  |
| This Afternoon: Mostly sunny. Hot with highs around 102. Southeast winds 5 to 10 mph. 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 in the evening. Saturday: Mostly sunny. Hot with highs around 100. Southeast winds around 5 mph, becoming northeast in the afternoon. Saturday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. East winds around 5 mph. Sunday: Partly cloudy. A slight chance of showers in the morning. Hot with highs around 100. Northeast winds around 5 mph. Highest heat index readings up to 107. Sunday Night: Mostly clear. Lows in the upper 70s. Monday Through Tuesday Night: Clear, hot. Highs around 100. Lows in the upper 70s. Highest heat index readings up to 110. Wednesday And Wednesday Night: Mostly clear. Hot. Highs around 100. Lows in the mid 70s. Highest heat index readings up to 105. Thursday: Partly cloudy. Highs in the upper 90s. Highest heat index readings up to 105. | |
| Zone Forecast: Frio County | |
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