Weather WorldLake Fort Smith, AR Weather Forecast
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Lake Fort Smith Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1057 PM CDT Sun Aug 30 2026 
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Issued: 1102 PM CDT Sun Aug 30 2026
Key Messages
Updated at 1102 PM CDT Sun Aug 30 2026- An extended period of hot and dry weather will persist through the next week. Heat headlines are expected at times.
- Rain chances look very low through the forecast period.
- The ongoing drought situation will continue to worsen. Localized fire weather concerns will develop each day.
Aviation
... (00Z TAFS) Issued at 612 PM CDT Sun Aug 30 2026
Near persistent daily trends are expected with VFR conditions area wide through the forecast period.