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Swanwick, IL 7-Day Night Weather Forecast
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Swanwick, IL Weather Forecast
Swanwick, IL Weather Forecast Date: 1132 PM CDT Sat Sep 19 2026
The area/counties/county of: Perry County Il, including the city of Pinckneyville.or toggle through each period.
Tonight... Partly cloudy this evening, then clearing. Lows in the lower 70s. South winds around 5 mph.
Sunday... Mostly sunny. Hot with highs in the mid 90s. West winds 5 to 10 mph.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50%.
Monday... Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Northeast winds 5 to 10 mph. Chance of rain 50%.
Monday Night... Mostly cloudy. A chance of showers after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 50%.
Tuesday... Partly sunny. Highs in the mid 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Thursday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Thursday Night... Mostly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Friday... Mostly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Friday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
POP = Probability of Precipitation
Swanwick Radar Loop
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