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Lake Tranquill, MO Weather Forecast
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Lake Tranquill Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  | | | | | |  | |
| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Clearing | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C |
| POP: 40% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 233 PM CDT Mon Sep 14 2026 
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Issued: 234 PM CDT Mon Sep 14 2026
Key Messages
- Unseasonably hot and humid weather is expected this week with heat index values reaching 105F+ on Tuesday mainly south of I-70.
- Scattered showers and thunderstorms are forecast on Tuesday. A few may be strong to marginally severe with gusty winds the main threat.
Aviation
/12Z TAFS THROUGH 18Z TUESDAY/... Issued at 1156 AM CDT Mon Sep 14 2026
A few showers continue to weaken near/east of the Mississippi River in far northeast Missouri into west-central Illinois. Dry/VFR conditions are t...