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Irishtown, IL 7-Day Night Weather Forecast
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Irishtown, IL Weather Forecast
Irishtown, IL Weather Forecast Date: 147 AM CDT Tue Sep 15 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
Rest of Tonight... Clear. Near steady temperature around 70. Southeast winds 5 to 10 mph with gusts up to 20 mph.
Tuesday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Warmer with highs in the upper 90s. South winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 109.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50%. Heat index values up to 104 early in the evening.
Wednesday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Hot with highs in the mid 90s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 40%. Heat index values up to 105.
Wednesday Night... Mostly clear. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Heat index values up to 101 early in the evening.
Thursday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105.
Friday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105.
Saturday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105.
Saturday Night... Partly cloudy in the evening, then clearing. Lows around 70.
Sunday... Partly cloudy. A slight chance of showers and thunderstorms. Highs around 90. Lows in the mid 60s. Chance of rain 20%.
Sunday Night... Partly cloudy. A slight chance of showers and thunderstorms. Highs around 90. Lows in the mid 60s. Chance of rain 20%.
POP = Probability of Precipitation
Irishtown Radar Loop
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