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Ash Lake, IL Weather Forecast
Ash Lake, IL Weather Forecast Date: 632 PM CDT Wed Oct 21 2026
The area/counties/county of: Perry County Il, including the city of Pinckneyville.or toggle through each period.
Tonight... Clear. Areas of fog after midnight. Lows in the mid 40s. Calm winds.
Thursday... Areas of fog in the morning. Sunny. Highs in the upper 70s. Calm winds, becoming north around 5 mph in the afternoon.
Thursday Night... Clear. Lows in the upper 40s. Calm winds.
Friday... Sunny. Highs in the mid 70s. East winds around 5 mph.
Friday Night... Mostly clear. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.
Saturday... Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Saturday Night... Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Sunday... Mostly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Monday... Mostly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Tuesday... Mostly cloudy. Highs in the mid 70s. Lows in the upper 40s.
POP = Probability of Precipitation
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