Weather forecast for: Brunswick MO
Last Update: 6:06 am CDT Sep 8, 2026
Today: Sunny and hot, with a high near 97. Heat index values as high as 104. South southwest wind around 9 mph.
Tonight: A slight chance of showers before 1am, then a slight chance of showers after 5am. Partly cloudy, with a low around 74. South southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Heat index values as high as 96. North northeast wind 6 to 8 mph becoming west in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: Showers and possibly a thunderstorm. Low around 65. Light northwest wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: A slight chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. North northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday Night: Mostly clear, with a low around 60.
Friday: Sunny, with a high near 86.
Friday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday: A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night: A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday: A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night: A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday: A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
WeatherWorld.com
