| NWS Forecast for: Williamson County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 116 PM CDT Mon Jun 15 2026 | |
| This Afternoon: Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Cooler with highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 50 percent. Tonight: Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. Tuesday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 50 percent. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southeast winds around 5 mph. Wednesday: Partly cloudy in the morning, then clearing. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph. Wednesday Night And Thursday: Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 110. Thursday Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 40 percent. Highest heat index readings up to 110 early in the evening. Juneteenth: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 50 percent. Saturday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. Saturday Night And Sunday: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Highest heat index readings up to 105. | |
| Zone Forecast: Williamson County | |
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