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City of Fort Smith, ARFort Smith, AR 7-Day Night Weather Forecast
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Fort Smith, AR Weather Forecast
Fort Smith, AR Weather Forecast Date: 457 AM CDT Wed Sep 16 2026
The area/counties/county of: North And Central Sebastian, including the city of Fort Smith.or toggle through each period.
Today... Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 100. Southeast winds around 5 mph. Chance of rain 20%. Heat index values up to 108.
Tonight... Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph.
Thursday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 100. Southeast winds around 5 mph. Chance of rain 20%. Heat index values up to 106.
Thursday Night... Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph.
Friday... Sunny, hot with highs around 100. South winds around 5 mph.
Friday Night... Mostly clear. Lows in the lower 70s.
Saturday... Sunny, hot with highs around 100.
Saturday Night... Mostly clear. Lows in the lower 70s.
Sunday... Sunny. Highs in the upper 90s.
Sunday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20%.
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 mid 90s. Chance of rain 30%.
Monday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20%.
POP = Probability of Precipitation
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