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City of Sullivan, MOSullivan, MO 7-Day Night Weather Forecast
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Sullivan, MO Weather Forecast
Sullivan, MO Weather Forecast Date: 1037 AM CDT Sun Sep 06 2026
The area/counties/county of: Franklin County Mo, including the cities of: Washington, Union, and Sullivan.or toggle through each period.
This Afternoon... Sunny. Highs in the lower 90s. Northeast winds around 5 mph.
Tonight... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. East winds around 5 mph.
Labor Day... Sunny. Highs in the upper 80s. East winds around 5 mph.
Monday Night... Mostly clear. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Tuesday... Sunny. Highs in the mid 90s. South winds around 5 mph.
Tuesday Night... Mostly clear. Hot. Lows in the lower 70s. Highs in the upper 90s. Heat index values up to 105.
Wednesday... Mostly clear. Hot. Lows in the lower 70s. Highs in the upper 90s. Heat index values up to 105.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 70%. Heat index values up to 100 early in the evening.
Thursday... Showers likely with a chance of thunderstorms in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Cooler with highs in the mid 80s. Chance of rain 70%.
Thursday Night... Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20%.
Friday... Sunny with a 20% chance of showers. Highs in the mid 80s.
Friday Night... Mostly clear with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30%.
POP = Probability of Precipitation
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