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Lewis, MS 7-Day Night Weather Forecast
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Lewis, MS Weather Forecast
Lewis, MS Weather Forecast Date: 1046 PM CDT Sat Sep 12 2026
The area/counties/county of: Washington, including the city of Greenville.or toggle through each period.
Rest of Tonight... Mostly clear late this evening, then becoming partly cloudy. Lows in the lower 70s. South winds around 5 mph.
Sunday... Sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds around 5 mph. Chance of rain 20%. Heat index values up to 108.
Sunday Night... Mostly clear. Lows in the mid 70s. South winds around 5 mph.
Monday... Sunny. Highs in the upper 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Heat index values up to 109.
Monday Night... Mostly clear. Lows in the mid 70s. South winds around 5 mph.
Tuesday... Mostly clear. Hot. Highs around 100. Lows in the mid 70s. Heat index values up to 110.
Wednesday... Mostly clear. Hot. Highs around 100. Lows in the mid 70s. Heat index values up to 110.
Thursday... Sunny. Highs in the upper 90s.
Thursday Night... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
Friday... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
POP = Probability of Precipitation
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