| NWS Forecast for: Grayson County Issued by: National Weather Service Dallas/Fort Worth, TX Last Update: 1220 PM CDT Mon Jul 14 2025 | |
| This Afternoon: Partly sunny with a 40 percent chance of showers and thunderstorms. Highs around 90. South winds around 5 mph. Tonight: Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. South winds around 5 mph. Tuesday: Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Tuesday Night: Partly cloudy. Humid with lows in the mid 70s. South winds 5 to 10 mph. Wednesday: Sunny with highs in the lower 90s. South winds 5 to 10 mph. Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Thursday: Sunny. Highs in the mid 90s. Thursday Night: Mostly clear. Lows in the mid 70s. Friday: Sunny. Highs in the mid 90s. Friday Night: Mostly clear. Lows in the mid 70s. Saturday: Sunny. Highs in the upper 90s. Heat index values up to 105. Saturday Night: Mostly clear. Lows in the upper 70s. Sunday: Sunny, hot with highs in the upper 90s. Heat index values up to 105. | |
| Zone Forecast: Grayson County | |
Visit your local NWS office at: https://www.weather.gov/fwd |