| NWS Forecast for: Saint Peters MO Issued by: National Weather Service Saint Louis, MO Last Update: 11:21 am CDT Jul 3, 2025 | |
| Today: Mostly sunny, with a high near 92. Light southwest wind. Tonight: Mostly clear, with a low around 72. Calm wind. Independence Day: Mostly sunny, with a high near 94. Calm wind becoming south 5 to 7 mph in the morning. Friday Night: Mostly clear, with a low around 73. South wind 3 to 6 mph. Saturday: Sunny, with a high near 93. Southwest wind 3 to 7 mph. Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. | |
| Saint Peters MO 38.79°N 90.62°W (Elev. 499 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |