Fort Smith Airport (FSM) Weather 08/02/2026
This Afternoon
98
Sunny
Tonight
79
Partly Cloudy
Sunday
101
Hot
Sunday Night
77
Mostly Clear
Monday
103
Hot
Monday Night
78
Mostly Clear
Tuesday
105
Hot
Tuesday Night
80
Partly Cloudy
Wednesday
102
Hot
Wednesday Night
78
Partly Cloudy
Thursday
101
Hot
Thursday Night
78
Partly Cloudy then Slight Chance T-storms
Friday
100
Slight Chance T-storms
Weekly Forecast
This Afternoon
Sunny, with a high near 98. Heat index values as high as 110. Southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 79. South wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Partly sunny, then gradually becoming sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 103. Light south wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 105. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 80. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 101. Southeast wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. East wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. East wind around 5 mph becoming south in the afternoon.