Grayson- Including the cities of Sherman and Denison 1144 AM CDT Fri Apr 19 2024 .REST OF TODAY...Mostly cloudy. Much cooler with highs in the upper 60s. Northeast winds 5 to 10 mph. .TONIGHT...A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent. .SATURDAY...Patchy fog in the morning. Showers with a chance of thunderstorms. Cooler with highs in the upper 50s. Temperatures falling into the lower 50s in the afternoon. Northeast winds 10 to 15 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog. Lows in the upper 40s. Northeast winds around 10 mph. Chance of rain 90 percent. .SUNDAY...Partly sunny in the morning, then clearing. Highs in the lower 60s. North winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MONDAY...Sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 50s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers and thunderstorms. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 60s. .THURSDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$