| NWS Forecast for: Grayson County Issued by: National Weather Service Dallas/Fort Worth, TX Last Update: 638 PM CDT Fri Sep 25 2026 |  |
| Tonight: Partly cloudy this evening, then becoming mostly cloudy. Lows around 70. Southeast winds around 5 mph. Saturday: Partly sunny. Highs in the lower 90s. South winds around 5 mph. Saturday Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Sunday: Sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the mid 90s. South winds around 5 mph. Chance of rain 30 percent. Sunday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Monday: Mostly sunny. A 20 percent chance of showers in the morning. Highs in the mid 90s. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Tuesday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 50 percent. Wednesday: Mostly cloudy with a slight chance of thunderstorms. A chance of showers. Highs in the mid 80s. Chance of rain 50 percent. Wednesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent. Thursday: Partly sunny with a 50 percent chance of showers. Highs in the lower 80s. Thursday Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent. Friday: Mostly sunny. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. | |
| Zone Forecast: Grayson County | |
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