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City of Fort Smith, ARFort Smith, AR 7-Day Weather Forecast
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Fort Smith Weather Forecast
Fort Smith, AR Weather Forecast Date: 657 PM CDT Tue Sep 15 2026
Weather forecast for Fort Smith, AR
Tonight Lo: 79°F Lo: 26°C |
Tonight... Clear. Lows in the upper 70s. Southeast winds 5 to 10 mph. |
Wed Hi: 100°FHi: 38°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly sunny. Isolated showers and thunderstorms in the afternoon. Hot with highs around 100. South winds around 5 mph. Chance of rain 20%. Heat index values up to 106. |
Thu Hi: 100°FHi: 38°C Lo: 75°F Lo: 24°C |
Thursday... Sunny, hot with highs around 100. Southeast winds around 5 mph. Heat index values up to 106. |
| Fri Hi: 100°FHi: 38°C Lo: 71°F Lo: 22°C |
Friday... Sunny, hot with highs around 100. |
| Sat Hi: 100°FHi: 38°C Lo: 71°F Lo: 22°C |
Saturday... Sunny, hot with highs around 100. |
| Sun Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Sunday... Sunny. Highs in the upper 90s. |
| Mon Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Monday... Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30%. |
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