Weather forecast for: Brunswick MO
Last Update: 11:38 am CDT Sep 7, 2026
Labor Day: A slight chance of showers before 1pm. Mostly sunny, with a high near 91. Southeast wind 7 to 10 mph. Chance of precipitation is 20%.
Tonight: Mostly clear, with a low around 69. East southeast wind 7 to 9 mph.
Tuesday: Mostly sunny and hot, with a high near 98. Heat index values as high as 104. South wind 6 to 10 mph.
Tuesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. South southeast wind around 8 mph. Chance of precipitation is 20%.
Wednesday: Showers and possibly a thunderstorm. High near 91. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Mostly sunny, with a high near 83.
Thursday Night: Mostly clear, with a low around 59.
Friday: Mostly sunny, with a high near 88.
Friday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
Saturday: Mostly sunny, with a high near 89.
Saturday Night: A chance of showers and thunderstorms. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Sunday: A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
WeatherWorld.com
