St Clair County, MO Weather Forecast
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St Clair County Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C |
| POP: 20% | POP: 100% | POP: 70% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 457 PM CST Sun Nov 01 2026 

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Issued: 455 PM CST Sun Nov 1 2026
Key Messages
- Drizzle/fog expected mainly south and east of Springfield into Monday morning. Dense fog possible at times.
- 15-25 mph southerly winds with gusts up to 35 mph are expected Monday into Tuesday morning.
- Slight risk for severe thunderstorms Monday evening and Monday night. Residual marginal severe risk over eastern areas on Tuesday. Damaging winds and isolated, brief tornados are the primary risks.
Aviation
/00Z TAFS THROUGH 00Z TUESDAY/... Issued at 455 PM CST Sun Nov 1 2026
MVFR to IFR ce...
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