| NWS Forecast for: Sainte Genevieve MO Issued by: National Weather Service Saint Louis, MO Last Update: 3:11 am CDT Aug 8, 2026 |  |
| Today: Sunny, with a high near 91. Heat index values as high as 105. Calm wind. Tonight: Clear, with a low around 70. Light south wind. Sunday: Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south 5 to 8 mph in the morning. Sunday Night: Mostly clear, with a low around 72. South wind 6 to 8 mph. Monday: Sunny, with a high near 96. Southwest wind around 7 mph. Monday Night: Mostly clear, with a low around 75. Tuesday: Sunny and hot, with a high near 97. Tuesday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 75. Chance of precipitation is 20%. Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. | |
| Sainte Genevieve MO 37.97°N 90.04°W (Elev. 390 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
