| NWS Forecast for: De Soto MO Issued by: National Weather Service Saint Louis, MO Last Update: 8:47 pm CDT Aug 10, 2026 |  |
Tonight: Partly cloudy, with a low around 77. South wind 3 to 6 mph. Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind around 7 mph. Tuesday Night: Mostly clear, with a low around 77. Southwest wind 3 to 6 mph. Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 107. Southwest wind around 6 mph. Wednesday Night: Partly cloudy, with a low around 76. Southwest wind 3 to 5 mph. Thursday: Mostly sunny and hot, with a high near 97. Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Friday: Mostly sunny, with a high near 96. Friday Night: Partly cloudy, with a low around 74. Saturday: Sunny and hot, with a high near 98. Saturday Night: Mostly clear, with a low around 75. Sunday: Mostly sunny and hot, with a high near 98. Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. | |
| De Soto MO 38.14°N 90.56°W (Elev. 614 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
