| NWS Forecast for: Karnes County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 206 PM CDT Mon Apr 20 2026 |  |
| This Afternoon: Showers with a chance of thunderstorms. Near steady temperature in the lower 60s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent. Tonight: Cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Near steady temperature in the lower 60s. East winds 5 to 10 mph. Chance of rain 70 percent. Tuesday: Cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Not as cool with highs in the mid 70s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Wednesday: Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Thursday Through Friday: Mostly cloudy. Highs in the upper 80s. Lows around 70. Friday Night: Mostly clear in the evening, then becoming mostly cloudy. Lows around 70. Saturday: Cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs around 90. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Sunday: Cloudy in the morning, then becoming partly cloudy. Highs around 90. | |
| Zone Forecast: Karnes County | |
Visit your local NWS office at: https://www.weather.gov/ewx |