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Lake Fort Smith, AR 7-Day Night Weather Forecast
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Lake Fort Smith, AR Weather Forecast
Lake Fort Smith, AR Weather Forecast Date: 153 PM CDT Tue Sep 29 2026
The area/counties/county of: Northern Crawford, including the city of Mountainburg.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the mid 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. Southeast winds 5 to 10 mph with gusts up to 20 mph.
Wednesday... Partly sunny. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40%.
Thursday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70%.
Thursday Night... Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 90%.
Friday... Showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80%.
Friday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 60%.
Saturday... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 70s. Chance of rain 60%.
Saturday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 60. Chance of rain 30%.
Sunday... Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20%.
Sunday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
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