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Harrisburg, AR ChamberHarrisburg, AR 7-Day Night Weather Forecast
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Harrisburg, AR Weather Forecast
Harrisburg, AR Weather Forecast Date: 305 AM CDT Wed Sep 16 2026
The area/counties/county of: Poinsett, including the city of Harrisburg.or toggle through each period.
Today... Sunny. Highs in the upper 90s. South winds around 5 mph. Heat index values up to 106.
Tonight... Mostly clear. Lows in the mid 70s. South winds around 5 mph.
Thursday... Sunny. Highs in the upper 90s. Southwest winds around 5 mph, becoming southeast in the afternoon. Heat index values up to 106.
Thursday Night... Mostly clear. Lows in the mid 70s. Light and variable winds.
Friday... Sunny. Highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 106.
Friday Night... Mostly clear. Lows in the lower 70s.
Saturday... Sunny, hot with highs around 100.
Saturday Night... Mostly clear. Lows in the mid 70s.
Sunday... Sunny. Highs around 100.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
Monday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30%.
Monday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows around 70. Chance of rain 30%.
POP = Probability of Precipitation
Harrisburg Radar Loop
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