10-Day Weather Forecast - Fort Smith, AR

Sunny, hot with highs around 102. Southwest winds 5 to 10 mph. Heat index values up to 110.

Clear. Lows in the upper 70s. South winds 5 to 10 mph.

Sunny, hot with highs around 104. Southwest winds 5 to 10 mph. Heat index values up to 110.

Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph.

Sunny, hot with highs around 100.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs 100 to 105.

Mostly clear. Lows in the upper 70s.

Sunny, hot with highs 100 to 105.

Mostly clear. Lows in the upper 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. Chance of rain 20 percent.

Sunny, hot with highs around 100.

Clear. Low temperature around 74F. Dew point will be around 66F with an average humidity of 62%. Winds will be 2 mph from the SE.

Sunny. High temperature around 96F. Dew point will be around 65F with an average humidity of 49%. Winds will be 2 mph from the SW.

Clear. Low temperature around 73F. Dew point will be around 65F with an average humidity of 59%. Winds will be 2 mph from the SE.

Sunny. High temperature around 97F. Dew point will be around 64F with an average humidity of 46%. Winds will be 3 mph from the S.

Clear. Low temperature around 74F. Dew point will be around 65F with an average humidity of 54%. Winds will be 3 mph from the SE.