St Clair County, MO Weather Forecast
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St Clair County Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of Showers | Chance of Showers | Chance of Showers | Partly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 30% | POP: 70% | POP: 90% | POP: 70% | POP: 50% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1217 AM CDT Sat Oct 31 2026 

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Issued: 1244 AM CDT Sat Oct 31 2026
Key Messages
- Scattered light showers (30-70% chance) at times across portions of the area from this afternoon into Sunday. Periods of dry time accompany this system, with only light rainfall amounts.
- 15-25 mph southerly winds with gusts up to 30-40 mph are expected on Monday. The strongest winds will generally occur along and west of Highway 65. Very low probability (<10%) for a Wind Advisory to be issued.
- 90-95% chance for a widespread band of rain to move across the area Monday night through Tuesday. Monitoring a low-end potential f...
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