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St. Peter Weather Forecast
St. Peter, IL Weather Forecast Date: 637 PM CST Sat Nov 14 2026
Weather forecast for St. Peter, IL
Tonight Lo: 25°F Lo: -4°C |
Tonight... Clear. Lows in the mid 20s. North winds around 5 mph this evening, becoming light and variable. |
Sun Hi: 51°FHi: 11°C Lo: 25°F Lo: -4°C |
Sunday... Sunny. Highs in the lower 50s. Light and variable winds. |
| Mon Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Monday... Sunny. Highs in the mid 50s. Light and variable winds. |
| Tue Hi: 59°FHi: 15°C Lo: 31°F Lo: -1°C |
Tuesday... Sunny. Highs in the upper 50s. |
| Wed Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Wednesday... Sunny. Highs in the lower 60s. |
Thu Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Thursday... Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. |
| Thu Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Thursday... Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. |
Fri Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Friday... Partly sunny. Highs in the upper 60s. |
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