Weather World
Downey, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Downey, IL Weather Forecast
Downey, IL Weather Forecast Date: 836 PM CDT Wed Sep 16 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
Tonight... Cloudy. A slight chance of showers in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Showers likely and a chance of thunderstorms late. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 70%.
Thursday... Cloudy. Showers likely with a chance of thunderstorms early in the morning, then a slight chance of showers and thunderstorms late in the morning. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 70%.
Thursday Night... Mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph.
Friday... Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.
Friday Night... Mostly cloudy. Scattered showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of precipitation 70%.
Saturday... Showers and thunderstorms. Highs in the upper 70s. Chance of precipitation 90%.
Saturday Night... Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 70%.
Sunday... Cloudy with a 50% chance of showers. Highs in the upper 60s.
Sunday Night... Cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 50%.
Monday... Cloudy with a chance of showers. Highs in the upper 60s. Chance of precipitation 50%.
Monday Night... Mostly cloudy with a 40% chance of showers. Lows in the mid 50s.
Tuesday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 30%.
Tuesday Night... Mostly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
Downey Radar Loop
Use the map search tool if you want to place a location marker on the radar map...