| NWS Forecast for: Grayson County Issued by: National Weather Service Louisville, KY Last Update: 308 PM CDT Tue May 12 2026 |  |
| Tonight: Warmer. Mostly clear. A 20 percent chance of rain showers late in the night. Lows in the mid 50s. South winds up to 5 mph. Wednesday: Partly sunny with a 20 percent chance of rain showers in the morning, then sunny in the afternoon. Highs in the mid 70s. West winds 5 to 15 mph. Wednesday Night: Cooler. Mostly clear. Lows in the mid 40s. North winds up to 10 mph. Thursday: Sunny. Highs in the lower 70s. North winds up to 5 mph. Thursday Night: Mostly clear. Lows in the upper 40s. North winds up to 5 mph shifting to the southeast after midnight. Friday: Mostly sunny. Highs around 80. Friday Night: Warmer. Partly cloudy. Lows in the mid 60s. Saturday: Mostly sunny. A 30 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. Saturday Night: Partly cloudy with chance of thunderstorms in the evening, then mostly cloudy with slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of thunderstorms 30 percent. Sunday: Mostly sunny. Highs in the upper 80s. Sunday Night: Mostly clear. Lows in the upper 60s. Monday: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. Monday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows around 70. Tuesday: Partly sunny. Chance of showers and slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs around 90. Chance of precipitation 50 percent. | |
| Zone Forecast: Grayson County | |
Visit your local NWS office at: https://www.weather.gov/lmk/ |