| NWS Forecast for: Grayson County Issued by: National Weather Service Dallas/Fort Worth, TX Last Update: 128 PM CDT Wed Apr 15 2026 |  |
| This Afternoon: Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the upper 70s. South winds 10 to 15 mph. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds around 10 mph. Chance of rain 50 percent. Thursday: Partly sunny in the morning, then clearing. Highs in the mid 80s. South winds around 10 mph. Thursday Night: Partly cloudy. Lows in the mid 60s. South winds around 10 mph. Friday: Partly sunny. Highs in the lower 80s. South winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Friday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Cooler with lows in the lower 50s. Chance of rain 60 percent. Saturday: Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers in the morning, then a slight chance of showers in the afternoon. Much cooler with highs in the mid 60s. Chance of rain 30 percent. Saturday Night: Partly cloudy in the evening, then clearing. Lows in the mid 40s. Sunday: Sunny. Highs around 70. Sunday Night: Partly cloudy. Lows in the upper 40s. Monday: Partly sunny with a 20 percent chance of showers. Highs in the mid 60s. Monday Night: Mostly cloudy. A 20 percent chance of showers and thunderstorms after midnight. Lows in the lower 50s. Tuesday: Mostly cloudy with a 20 percent chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 60s. | |
| Zone Forecast: Grayson County | |
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