Pittsburg, IL 7-Day Night Weather Forecast
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Pittsburg, IL Weather Forecast


Pittsburg, IL Weather Forecast Date: 922 AM CST Mon Nov 02 2026
The area/counties/county of: Williamson, including the city of Herrin.or toggle through each period.
Today... Mostly cloudy. A chance of showers with a slight chance of drizzle this morning. Highs in the upper 60s. South winds 5 to 10 mph. Chance of rain 50%.
Tonight... Mostly cloudy. Lows in the lower 60s. South winds 10 to 15 mph.
Tuesday... Partly sunny and breezy. Highs in the upper 70s. South winds 15 to 25 mph.
Tuesday Night... Showers, mainly in the evening. Lows in the mid 50s. South winds 10 to 15 mph. Chance of rain near 100%.
Wednesday... Partly sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph.
Wednesday Night... Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
Thursday... Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
Thursday Night... Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Friday... Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
Friday Night... Partly cloudy. Lows in the upper 30s. Highs around 60.
Saturday... Partly cloudy. Lows in the upper 30s. Highs around 60.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.
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