| NWS Forecast for: Frio County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 129 PM CDT Thu Jun 18 2026 |  |
This Afternoon: Sunny, hot with highs around 100. Southeast winds 5 to 10 mph. Highest heat index readings up to 119. Tonight: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Highest heat index readings up to 118 early in the evening. Juneteenth: Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds 5 to 10 mph. Chance of rain 30 percent. Highest heat index readings up to 109. Friday Night: Partly cloudy with a chance of showers and thunderstorms. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Highest heat index readings up to 106 early in the evening. Saturday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Highest heat index readings up to 105. Saturday Night: Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 40 percent. Sunday: Partly cloudy in the morning, then clearing. Highs in the mid 90s. Highest heat index readings up to 110 in the afternoon. Sunday Night: Clear. Lows in the upper 70s. Highest heat index readings up to 105 early in the evening. Monday: Mostly sunny. Highs in the upper 90s. Highest heat index readings up to 110 in the afternoon. Monday Night: Clear. Lows in the mid 70s. Highest heat index readings up to 105 early in the evening. Tuesday: Partly cloudy. Highs in the mid 90s. Highest heat index readings up to 105. Tuesday Night: Clear. Lows in the mid 70s. Wednesday: Mostly sunny. Highs in the upper 90s. | |
| Zone Forecast: Frio County | |
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