Expires:202512100600;;301469 FPUS54 KLZK 092257 ZFPLZK Zone Forecast Product for Arkansas National Weather Service Little Rock AR 450 PM CST Tue Dec 9 2025 ARZ121-100600- Southern Johnson County- Including the cities of Clarksville, Coal Hill, Hartman, and Knoxville 450 PM CST Tue Dec 9 2025 .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the lower 30s. Southeast winds around 5 mph, becoming northwest after midnight. .WEDNESDAY...Sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the lower 30s. Northwest winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the upper 50s. Southeast winds around 5 mph, becoming southwest around 5 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Southwest winds around 5 mph. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Highs around 50. Lows in the upper 20s. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the mid 40s. Lows in the mid 20s. .MONDAY...Partly sunny. Highs in the upper 40s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of rain showers. Lows in the mid 30s. Highs in the lower 50s. $$