| NWS Forecast for: Eureka MO Issued by: National Weather Service Saint Louis, MO Last Update: 9:01 pm CDT Sep 5, 2026 | |
| Tonight: Mostly clear, with a low around 71. Northeast wind 3 to 5 mph. Sunday: Mostly sunny, with a high near 91. Light northeast wind increasing to 5 to 9 mph in the morning. Sunday Night: Mostly clear, with a low around 64. East wind 3 to 7 mph. Labor Day: Sunny, with a high near 88. Light east wind. Monday Night: Mostly clear, with a low around 62. Calm wind. Tuesday: Sunny, with a high near 94. Tuesday Night: Mostly clear, with a low around 71. Wednesday: Sunny and hot, with a high near 98. Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Friday: A 20 percent chance of showers. Mostly sunny, with a high near 86. Friday Night: A 30 percent chance of showers. Partly cloudy, with a low around 63. Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 90. | |
| Eureka MO 38.5°N 90.66°W (Elev. 597 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |