Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin
Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >
| NWS Forecast for: Williamson County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 151 PM CDT Tue Aug 12 2025 | |
| Tonight: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Southeast winds around 5 mph, becoming southwest around 5 mph after midnight. Chance of rain 20 percent. Wednesday: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds around 5 mph. Chance of rain 30 percent. Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. South winds around 5 mph. Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. South winds 5 to 10 mph. Thursday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Friday And Friday Night: Mostly clear. Highs in the mid 90s. Lows in the mid 70s. Highest heat index readings up to 105. Saturday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Saturday Night: Partly cloudy. Lows in the mid 70s. Sunday: Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Sunday Night: Mostly clear. Lows in the mid 70s. Monday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Monday Night: Partly cloudy. Lows in the mid 70s. Tuesday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. | |
| Zone Forecast: Williamson County | |
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