Southern Johnson County- Including the cities of Clarksville, Coal Hill, Hartman, and Knoxville 1150 AM CDT Sun Apr 28 2024 ...FLOOD WATCH IN EFFECT THROUGH MONDAY MORNING... .THIS AFTERNOON...Widespread showers and scattered thunderstorms. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. Average rainfall 1/2 to 1 inch. .TONIGHT...Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows in the upper 50s. Southeast winds 15 to 20 mph, becoming east 5 to 10 mph after midnight. Chance of rain near 100 percent. Average rainfall 1/2 to 1 inch. .MONDAY...Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Northeast winds around 5 mph, becoming west in the afternoon. Chance of rain 20 percent. Average rainfall less than 1/10 inch. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast winds around 5 mph. .TUESDAY...Sunny. Highs in the lower 80s. East winds 5 to 10 mph, becoming south in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .THURSDAY AND THURSDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 70 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 50s. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a 20 percent chance of showers. Highs in the upper 70s. $$