Fort Smith Airport (FSM) Weather 06/22/2026
Overnight
79
Mostly Clear
Thursday
93
Mostly Sunny
Thursday Night
74
T-storms Likely then T-storms
Friday
88
Showers Likely then Chance T-storms
Friday Night
75
Partly Cloudy
Saturday
93
Chance T-storms
Saturday Night
75
Chance T-storms then T-storms Likely
Sunday
85
Showers Likely
Sunday Night
66
Chance T-storms then Showers Likely
Monday
81
Chance Showers
Monday Night
63
Partly Cloudy then Slight Chance Showers
Tuesday
85
Mostly Sunny
Tuesday Night
66
Mostly Clear
Weekly Forecast
Overnight
Mostly clear, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers and thunderstorms likely after 4am. Low around 74. Southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 88. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 75. East wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 75. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. Northeast wind around 5 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.