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Petrolia, IL 7-Day Night Weather Forecast
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Petrolia, IL Weather Forecast
Petrolia, IL Weather Forecast Date: 142 AM CDT Sat Oct 17 2026
The area/counties/county of: Lawrence, including the city of Lawrenceville.or toggle through each period.
Rest of Tonight... Partly cloudy. Cooler with lows in the lower 40s. North winds 10 to 15 mph with gusts up to 25 mph.
Saturday... Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph.
Saturday Night... 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.
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
Petrolia Radar Loop
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