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St Clair County Weather Forecast
St Clair County, IL Weather Forecast Date: 1227 PM CST Fri Nov 13 2026
Weather forecast for St Clair County, IL
Today Hi: 45°FHi: 7°C Lo: 25°F Lo: -4°C |
This Afternoon... Partly sunny. Near steady temperature in the mid 40s. North winds 10 to 15 mph. |
Sat Hi: 50°FHi: 10°C Lo: 25°F Lo: -4°C |
Saturday... Sunny. Highs around 50. North winds around 5 mph. |
| Sun Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Sunday... Sunny. Highs in the mid 50s. Light and variable winds. |
| Mon Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Monday... Clear. Lows in the lower 30s. Highs in the upper 50s. |
| Tue Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Tuesday... Clear. Lows in the lower 30s. Highs in the upper 50s. |
| Tue Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Tuesday... Clear. Lows in the lower 30s. Highs in the upper 50s. |
| Wed Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Wednesday... Sunny. Highs in the lower 60s. |
St Clair County Radar Loop
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