| NWS Forecast for: Frio County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 1214 AM CDT Wed Sep 9 2026 |  |
| Rest Of Tonight: Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Wednesday: Mostly sunny. Hot with highs around 100. Southeast winds 5 to 10 mph. Highest heat index readings up to 106. Wednesday Night: Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph. Thursday: Mostly sunny. Highs in the upper 90s. Southeast winds 5 to 10 mph. Highest heat index readings up to 106. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph. Friday Through Monday: Mostly clear. Hot. Highs around 100. Lows in the upper 70s. Highest heat index readings up to 110. Monday Night And Tuesday: Partly cloudy. Hot. Lows in the mid 70s. Highs around 100. Highest heat index readings up to 110. | |
| Zone Forecast: Frio County | |
Visit your local NWS office at: https://www.weather.gov/ewx |