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Wallace Lake, MO Weather Forecast
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Wallace Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | |  |  |  |  | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 100°FHi: 38°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Hi: 99°FHi: 37°C Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C |
| POP: 40% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 427 AM CDT Wed Sep 16 2026 
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Issued: 554 AM CDT Wed Sep 16 2026
Key Messages
- Dangerous, record-breaking late season heat and humidity will continue the next several days. A Heat Advisory is now effect through Saturday evening for the entire region.
- Isolated heat-of-the-day pop-up storms cannot be ruled out today and Thursday near and north of Interstate 64.
- Cooler, less humid conditions will arrive early next week, along the the return of isolated to widely scattered showers and thunderstorms.
Discussion
... Issued at 120 AM CDT Wed Sep 16 2026
Our late-season h...