St Clair County, MO Weather Forecast

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St Clair County, MO Weather Forecast

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St Clair County MO weather  - Clear - 66°F
Clear
66°F
Updated 12:48 am
Feels Like 66°F
Humidity 81%
Wind WNW 5 mph
Barometer  30.22 in
Dew Point 60°F
St Clair County MO weather  - Clear - 19°C
Clear
19°C
Updated 12:48 am
Feels Like 19°C
Humidity 81%
Wind WNW 8 km/h
Barometer  102.3 kPa
Dew Point 16°C

St Clair County Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
St Clair County, MO Weather - Rest Of Tonight Chance Of Showers St Clair County, MO Weather - Saturday Chance Of Showers St Clair County, MO Weather - Saturday Night Chance Of Showers St Clair County, MO Weather - Sunday Partly Sunny St Clair County, MO Weather - Sunday Night Chance Of Showers St Clair County, MO Weather - Monday Chance Of T-Storm St Clair County, MO Weather - Monday Night Chance Of T-Storm St Clair County, MO Weather - Tuesday Chance Of T-Storm St Clair County, MO Weather - Tuesday Night Chance Of Showers St Clair County, MO Weather - Wednesday Chance Of Showers St Clair County, MO Weather - Wednesday Night Chance Of Showers St Clair County, MO Weather - Thursday Chance Of Showers
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 St Clair County, MO Weather - WeatherWorld.com

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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...