| NWS Forecast for: Frio County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 409 PM CDT Thu Sep 10 2026 |  |
| Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the upper 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Friday: Mostly sunny. Hot with highs around 102. Southeast winds 5 to 10 mph. Friday Night: Mostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Highest heat index readings up to 105 early in the evening. Saturday: Partly cloudy in the morning, then becoming mostly sunny. Hot with highs around 102. Southeast winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Highest heat index readings up to 105 early in the evening. Sunday: Partly cloudy in the morning, then clearing. Hot with highs around 100. Highest heat index readings up to 110. Sunday Night Through Wednesday Night: Mostly clear. Hot. Lows in the mid 70s. Highs around 100. Highest heat index readings up to 110. Thursday: Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Highest heat index readings up to 105. | |
| Zone Forecast: Frio County | |
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