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Grinter Lake, MO Weather Forecast
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Grinter Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  |  | | |  | |  |  | |
| Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Sunny | Clear | Sunny |
| Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 20% | POP: 90% | POP: 100% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 242 AM CDT Tue Sep 29 2026 
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Issued: 551 AM CDT Tue Sep 29 2026
Key Messages
- Several rounds of showers and storms are expected (>95% chance for accumulating rainfall) across the forecast area today through Thursday night. Heavy rainfall and flooding will be possible.
Discussion
... Issued at 243 AM CDT Tue Sep 29 2026
The main concern this forecast period will revolve around the potential for several rounds of rain today through Thursday night possibly leading to flooding. Today, an upper level ridge that has built over the region will flatten out as a upper lev...