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McLean Institute, IL Weather Forecast
McLean Institute, IL Weather Forecast Date: 121 PM CDT Wed Oct 21 2026
The area/counties/county of: Central Cook, including the cities of: Chicago, Cicero, Oak Lawn, Oak Park, and La Grange.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the upper 60s. South winds around 5 mph.
Tonight... Clear. Lows around 50. South winds around 5 mph in the evening, becoming light and variable.
Thursday... Sunny. Highs in the lower 70s inland, but only in the mid 60s near the lake. Northeast winds around 5 mph.
Thursday Night... Partly cloudy. Lows around 50. East winds around 5 mph.
Friday... Partly cloudy in the morning, then clearing. Highs around 70. Southeast winds around 5 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Saturday... Partly cloudy. Highs around 70.
Saturday Night... Mostly cloudy. Lows in the lower 50s.
Sunday... Mostly cloudy. Highs in the lower 70s.
Sunday Night... Mostly cloudy. Lows in the mid 50s.
Monday... Mostly cloudy. Highs in the upper 60s.
Monday Night... Mostly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
McLean Institute Radar Loop
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