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Sumner, MO Weather Forecast
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Sumner Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  | | |  | | |  | |
| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Clear | Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 70% | POP: 90% | POP: 50% | POP: 70% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 128 PM CDT Tue Sep 08 2026 
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Issued: 949 PM CDT Tue Sep 8 2026
Key Messages
- Hot conditions may continue into Wednesday for areas in central and southern Missouri.
- A few strong to severe storms are possible late this evening into the overnight hours, mainly across northern Missouri. And again Wednesday afternoon to evening, mainly along and south of I-70.
- Cooler/more seasonal temperatures move into the area for the latter half of the week and through the weekend.
Aviation
/00Z TAFS THROUGH 00Z THURSDAY/... Issued at 704 PM CDT Tue Sep 8 2026
Main concern for the...