Expires:202405022100;;487858 FPUS54 KLZK 021154 ZFPLZK Zone Forecast Product for Arkansas National Weather Service Little Rock AR 650 AM CDT Thu May 2 2024 ARZ121-022100- Southern Johnson County- Including the cities of Clarksville, Coal Hill, Hartman, and Knoxville 650 AM CDT Thu May 2 2024 .TODAY...A chance of thunderstorms. Showers. Highs in the upper 70s. Temperature falling into the lower 70s this afternoon. Southeast winds 10 to 15 mph. Chance of rain 80 percent. Average rainfall 1/4 to 1/2 inch. .TONIGHT...Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent. Average rainfall 1/4 to 1/2 inch. .FRIDAY...Partly sunny with a chance of showers and thunderstorms. Highs around 80. Northeast winds 5 to 10 mph, becoming east in the afternoon. Chance of rain 40 percent. Average rainfall less than 1/10 inch. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. East winds around 5 mph. Chance of rain 20 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent. .SUNDAY...A chance of thunderstorms. Showers likely. Highs in the mid 70s. Chance of rain 70 percent. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Highs around 80. Chance of rain 40 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. .TUESDAY...Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. $$