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Petrolia, IL 7-Day Night Weather Forecast
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Petrolia, IL Weather Forecast
Petrolia, IL Weather Forecast Date: 847 AM CDT Sat Oct 17 2026
The area/counties/county of: Lawrence, including the city of Lawrenceville.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph.
Tonight... Clear. Areas of frost after midnight. Lows in the mid 30s. East winds around 5 mph.
Sunday... Areas of frost in the morning. Sunny. Highs in the mid 60s. Southeast winds around 5 mph.
Sunday Night... Clear. Lows in the upper 30s. East winds around 5 mph.
Monday... Sunny. Highs around 70. Light and variable winds, becoming east around 5 mph in the afternoon.
Monday Night... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
Tuesday... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
Wednesday... Mostly clear. Lows in the lower 40s. Highs in the mid 70s.
Wednesday Night... Clear. Lows in the mid 40s.
Thursday... Sunny. Highs in the upper 70s.
Thursday Night... Clear. Lows in the upper 40s.
POP = Probability of Precipitation
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