| NWS Forecast for: Grayson County Issued by: National Weather Service Louisville, KY Last Update: 308 AM CDT Fri Jul 10 2026 | |
Today: Partly sunny. Showers early in the morning. Chance of thunderstorms through the day. Showers likely late in the morning. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Southwest winds up to 10 mph. Chance of precipitation 90 percent. Tonight: Mostly cloudy. Chance of thunderstorms in the evening, then showers likely and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows around 70. Southwest winds up to 5 mph in the evening becoming light. Chance of precipitation 70 percent. Saturday: Mostly cloudy with a 50 percent chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the mid 80s. Southwest winds up to 5 mph. Saturday Night: Mostly cloudy with a 50 percent chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. West winds up to 5 mph in the evening becoming light. Sunday: Partly sunny. Chance of showers in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 80s. East winds up to 5 mph. Chance of precipitation 50 percent. Sunday Night: Mostly cloudy with chance of thunderstorms in the evening, then partly cloudy with slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 50 percent. Monday: Mostly sunny. Slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of thunderstorms 40 percent. Monday Night: Partly cloudy. A 40 percent chance of thunderstorms in the evening. Lows in the upper 60s. Tuesday: Sunny. Highs in the upper 80s. Tuesday Night: Mostly clear. Lows in the upper 60s. Wednesday: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. Wednesday Night: Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows around 70. Thursday: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. | |
| Zone Forecast: Grayson County | |
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