


NWS Forecast for: Frontenac MO Issued by: National Weather Service Saint Louis, MO Last Update: 5:36 am CDT Mar 23, 2025 | ![]() |
Today: Showers and thunderstorms before 1pm, then a chance of showers between 1pm and 2pm. High near 63. Southeast wind 8 to 16 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. West wind 7 to 13 mph, with gusts as high as 25 mph. Monday: Increasing clouds, with a high near 63. West wind 6 to 11 mph, with gusts as high as 21 mph. Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 44. West wind around 6 mph becoming calm in the evening. Tuesday: Mostly sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the morning. Tuesday Night: Partly cloudy, with a low around 44. Wednesday: Sunny, with a high near 65. Wednesday Night: Mostly clear, with a low around 43. Thursday: A 30 percent chance of rain, mainly after 1pm. Mostly sunny, with a high near 71. Thursday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 56. Friday: A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 80. Friday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62. Saturday: Rain likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%. | |
Frontenac MO 38.62°N 90.4°W (Elev. 597 ft) | |
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