Weather World
Johnson County, AR Official WebsiteJohnson County, AR 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Johnson County, AR Weather Forecast
Johnson County, AR Weather Forecast Date: 1050 PM CST Tue Mar 03 2026
The area/counties/county of: Southern Johnson County, including the cities of: Clarksville, Coal Hill, Hartman, and Knoxville.or toggle through each period.
Overnight... Mostly cloudy. A slight chance of showers late this evening, then a chance of showers. Not as cool with lows in the upper 50s. East winds around 5 mph. Chance of rain 40%.
Wednesday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 80%. Average rainfall 1/10 to 1/4 inch.
Wednesday Night... Showers with thunderstorms likely. Lows in the upper 50s. South winds around 5 mph. Chance of rain 90%. Average rainfall 1/2 to 1 inch.
Thursday... Mostly cloudy with a chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 90%.
Thursday Night... Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 20%.
Friday... Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%.
Friday Night... Showers with thunderstorms likely. Lows in the upper 50s. Chance of rain near 100%.
Saturday... Mostly cloudy with showers likely with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 70%.
Saturday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40%.
Sunday... Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 40%.
Sunday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20%.
Monday... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 80. Lows in the upper 50s. Chance of rain 40%.
Monday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 80. Lows in the upper 50s. Chance of rain 40%.
POP = Probability of Precipitation
Johnson County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...