Weather WorldPetite Lake, IL 7-Day Weather Forecast
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Petite Lake Weather Forecast
Petite Lake, IL Weather Forecast Date: 121 AM CDT Thu Oct 29 2026
Weather forecast for Petite Lake, IL
Tonight Lo: 59°F Lo: 15°C |
Tonight... Mostly cloudy. A slight chance of thunderstorms after midnight. Isolated showers. Lows in the upper 50s. Southwest winds 10 to 15 mph. Chance of precipitation 20%. |
Thu Hi: 69°FHi: 21°C Lo: 40°F Lo: 4°C |
Thursday... Mostly cloudy in the morning, then clearing. Isolated showers early in the morning. Highs in the upper 60s. West winds around 10 mph, becoming northwest in the afternoon. Chance of precipitation 20%. |
| Fri Hi: 60°FHi: 16°C Lo: 50°F Lo: 10°C |
Friday... Partly cloudy in the morning, then becoming mostly cloudy. Highs around 60. Northeast winds around 5 mph. |
Sat Hi: 59°FHi: 15°C Lo: 49°F Lo: 9°C |
Saturday... Cloudy. Showers likely, mainly in the morning. Highs in the upper 50s. Chance of precipitation 70%. |
Sun Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy with a 20% chance of showers. Highs in the mid 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Monday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Showers likely. Highs in the upper 60s. Chance of precipitation 60%. |
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