Weather World
Grand Oaks Lake, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Grand Oaks Lake, IL Weather Forecast
Grand Oaks Lake, IL Weather Forecast Date: 737 AM CDT Sat Aug 15 2026
The area/counties/county of: Tazewell, including the city of Pekin.or toggle through each period.
Rest of Today... Mostly cloudy. Showers with a chance of thunderstorms this morning. Some thunderstorms May produce heavy rainfall this morning. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 90%.
Tonight... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 60%.
Sunday... A chance of thunderstorms in the morning. Partly sunny with a chance of showers. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 50%.
Sunday Night... Partly cloudy in the evening, then clearing. Humid with lows in the upper 60s. Northwest winds 5 to 10 mph.
Monday... Sunny. Highs in the lower 80s. North winds around 5 mph.
Monday Night... Mostly clear. Lows in the lower 60s.
Tuesday... Mostly sunny. Highs in the mid 80s.
Tuesday Night... Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the lower 80s. Chance of rain 50%.
Wednesday... Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the lower 80s. Chance of rain 50%.
Wednesday Night... Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
Thursday... Partly cloudy. Lows in the lower 60s. Highs in the upper 70s.
POP = Probability of Precipitation
Grand Oaks Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...