Weather WorldLake 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: 1057 PM CDT Sun Aug 30 2026
The area/counties/county of: Northern Crawford, including the city of Mountainburg.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 70s. Southeast winds 5 to 10 mph.
Monday... Sunny. Highs in the upper 90s. South winds around 5 mph.
Monday Night... Clear. Lows in the lower 70s. Southeast winds around 5 mph.
Tuesday... Sunny. Highs in the mid 90s. Southeast winds 5 to 10 mph.
Tuesday Night... Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph.
Wednesday... Sunny. Highs in the mid 90s. Heat index values up to 105.
Wednesday Night... Mostly clear. Lows in the mid 70s.
Thursday... Sunny. Highs in the mid 90s. Heat index values up to 105.
Thursday Night... Mostly clear. Lows in the mid 70s.
Friday... Sunny. Highs in the mid 90s. Heat index values up to 105.
Friday Night... Mostly clear. Lows in the mid 70s.
Saturday... Sunny. Highs in the mid 90s. Heat index values up to 105.
Saturday Night... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20%.
POP = Probability of Precipitation
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