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I Lake, IN 7-Day Night Weather Forecast
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I Lake, IN Weather Forecast
I Lake, IN Weather Forecast Date: 1001 PM EDT Wed Mar 11 2026
The area/counties/county of: Johnson, including the cities of: Greenwood and Franklin.or toggle through each period.
Rest of Tonight... Mostly cloudy early this morning, then becoming partly cloudy. Much colder with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Thursday... Sunny. Much cooler with highs in the upper 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Thursday Night... Partly cloudy through midnight, then becoming mostly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph, increasing to south 15 to 20 mph with gusts up to 30 mph toward daybreak.
Friday... Partly cloudy and breezy. Not as cool with highs in the upper 50s. Southwest winds 15 to 25 mph with gusts up to 40 mph.
Friday Night... Partly cloudy. Lows in the lower 30s. Northwest winds 10 to 15 mph. Gusts up to 30 mph through midnight.
Saturday... Mostly cloudy. Highs in the lower 50s. Lows in the lower 40s.
Saturday Night... Mostly cloudy. Highs in the lower 50s. Lows in the lower 40s.
Sunday... Mostly cloudy with a slight chance of rain in the morning, then partly cloudy with rain likely with a slight chance of thunderstorms in the afternoon. Breezy and much warmer with highs in the upper 60s. Chance of rain 60%.
Sunday Night... Rain with a slight chance of thunderstorms. A chance of snow toward daybreak. Breezy and much colder with lows in the upper 20s. Chance of precipitation 80%.
Monday... Mostly cloudy. A chance of snow and rain in the morning, then a slight chance of snow in the afternoon. Much cooler with highs in the lower 30s. Chance of precipitation 30%.
Monday Night... Partly cloudy. Lows 15 to 20. Highs in the lower 30s.
Tuesday... Partly cloudy. Lows 15 to 20. Highs in the lower 30s.
Tuesday Night... Mostly clear through midnight, then partly cloudy with a slight chance of snow toward daybreak. Cold with lows in the lower 20s. Chance of snow 20%.
POP = Probability of Precipitation
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