Weather World
I Lake, IN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
I Lake, IN Weather Forecast
I Lake, IN Weather Forecast Date: 333 AM EDT Thu Aug 13 2026
The area/counties/county of: Johnson, including the cities of: Greenwood and Franklin.or toggle through each period.
Today... Widespread dense fog toward daybreak. Mostly cloudy with isolated showers and thunderstorms toward daybreak, then mostly cloudy through early afternoon. Partly cloudy with numerous showers and scattered thunderstorms late this afternoon. Some thunderstorms May produce heavy rainfall toward daybreak. Some thunderstorms May produce heavy rainfall late this afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 70%.
Tonight... Scattered thunderstorms. Showers. Some thunderstorms May produce heavy rainfall. Humid with lows around 70. East winds around 5 mph. Chance of rain 80%.
Friday... Mostly cloudy with numerous showers and scattered thunderstorms through early afternoon, then partly cloudy with isolated showers and thunderstorms late in the afternoon. Some thunderstorms May produce heavy rainfall through early afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph, becoming northeast late in the afternoon. Chance of rain 60%.
Friday Night... Partly cloudy with scattered showers. Scattered thunderstorms through the late overnight, then isolated thunderstorms toward daybreak. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 40%.
Saturday... Partly cloudy through early afternoon, then clearing. Isolated thunderstorms. Scattered showers through early afternoon, then isolated showers late in the afternoon. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 30%.
Saturday Night... Partly cloudy through the late overnight, then clearing. Lows in the mid 70s.
Sunday... Mostly sunny. A slight chance of showers and thunderstorms late in the afternoon. Hot with highs around 90. Chance of rain 20%.
Sunday Night... Partly cloudy. Showers likely with a chance of thunderstorms through the late overnight, then a chance of showers toward daybreak. Lows in the lower 70s. Chance of rain 60%.
Monday... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20%.
Monday Night... Partly cloudy through the late overnight, then clearing. Lows in the mid 60s.
Tuesday... Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
POP = Probability of Precipitation
I Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...