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City of Ballwin, MOBallwin, MO Weather Forecast
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Ballwin Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  | |  | | |  | | |
| Chance of T-Storm | Chance of Showers | Mostly Cloudy | Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Showers | Showers |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°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: 60°FLo: 16°C | Hi: 71°FHi: 22°C Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 59°FLo: 15°C |
| POP: 30% | POP: 20% | POP: 50% | POP: 50% | POP: 20% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 849 PM CDT Thu Oct 29 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1038 PM CDT Thu Oct 29 2026
Key Messages
- Above average temperatures will continue into early next week.
- Showers and a few thunderstorms are expected at times Friday through the weekend, mainly Friday morning and Saturday night/Sunday morning with plenty of dry time otherwise.
- Confidence is high in widespread, beneficial rainfall early to mid-next week.
Aviation
/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 1034 PM CDT Thu Oct 29 2026
Mainly dry and VFR conditions are expected through the period. The only exception will be an in...