| NWS Forecast for: Sullivan MO Issued by: National Weather Service Saint Louis, MO Last Update: 6:06 pm CDT Sep 9, 2026 | |
| Tonight: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 60%. Thursday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms, mainly between noon and 1pm. High near 79. Light and variable wind. Chance of precipitation is 80%. Thursday Night: Mostly cloudy, with a low around 64. Calm wind. Friday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind. Friday Night: Mostly clear, with a low around 65. Light south wind. Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%. Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. Sunday: Mostly sunny, with a high near 88. Sunday Night: Mostly clear, with a low around 69. Monday: Sunny, with a high near 91. Monday Night: Mostly clear, with a low around 70. Tuesday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 87. Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. | |
| Sullivan MO 38.22°N 91.15°W (Elev. 938 ft) | |
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