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Brunswick, MO Weather Forecast
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Brunswick Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  | |  |  | |  | | | | |
| Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Sunny | Chance of T-Storm |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 89°FHi: 32°C Lo: 60°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 60°FLo: 16°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 80% | POP: 70% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 PM CDT Mon Sep 07 2026 
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Issued: 203 PM CDT Mon Sep 7 2026
Key Messages
- Dangerous heat will continue Tuesday for most locations, and potentially into Wednesday for areas south of the Missouri River.
- Strong to severe storms are possible Tuesday afternoon into the overnight hours. And again on Wednesday afternoon.
- Cooler/ more seasonal temperatures move into the area for the later half of the week and through the weekend.
Discussion
... Issued at 203 PM CDT Mon Sep 7 2026
Dangerous heat continues to afflict the area as upper-level ridging remains across the m...