Weather World
Lake Harriet Park, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Lake Harriet Park, IL Weather Forecast
Lake Harriet Park, IL Weather Forecast Date: 1016 AM CDT Sun Aug 09 2026
The area/counties/county of: Dupage, including the cities of: Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream.or toggle through each period.
Rest of Today... Mostly cloudy. A slight chance of showers and thunderstorms late in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds around 10 mph. Chance of precipitation 60%.
Tonight... Mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Locally heavy rainfall possible late in the evening. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 70%.
Monday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming southeast in the afternoon. Chance of precipitation 40%.
Monday Night... Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of precipitation 70%.
Tuesday... Showers likely with a chance of thunderstorms. Humid with highs in the lower 80s. South winds around 5 mph, becoming northwest in the afternoon. Chance of precipitation 60%.
Tuesday Night... Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50%.
Wednesday Night... Partly cloudy. A slight chance of showers in the evening. Lows in the upper 60s. Chance of precipitation 20%.
Thursday... Mostly cloudy. Highs in the upper 70s.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s.
Friday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.
Friday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40%.
POP = Probability of Precipitation
Lake Harriet Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...