Expires:202512260600;;223702 FPUS54 KLZK 252254 ZFPLZK Zone Forecast Product for Arkansas National Weather Service Little Rock AR 450 PM CST Thu Dec 25 2025 ARZ121-260600- Southern Johnson County- Including the cities of Clarksville, Coal Hill, Hartman, and Knoxville 450 PM CST Thu Dec 25 2025 .TONIGHT...Mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph. .FRIDAY...Mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Light and variable winds, becoming east around 5 mph after midnight. .SATURDAY...Mostly sunny. Highs in the upper 70s. Southeast winds around 5 mph, becoming south around 5 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 60s. South winds around 5 mph. .SUNDAY...Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of rain showers, mainly in the evening. Much colder with lows in the mid 20s. Chance of rain 50 percent. .MONDAY...Partly sunny. Much cooler with highs in the upper 30s. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows in the lower 20s. .TUESDAY...Sunny. Highs in the mid 40s. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the mid 20s. Highs in the lower 50s. .NEW YEARS DAY...Mostly sunny. Highs in the lower 50s. $$