Weather World
Upper Bluff Lake, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Upper Bluff Lake, IL Weather Forecast
Upper Bluff Lake, IL Weather Forecast Date: 757 AM CDT Sun Sep 20 2026
The area/counties/county of: Union, including the city of Jonesboro.or toggle through each period.
Today... Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph.
Tonight... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 70. North winds around 5 mph. Chance of rain 20%.
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. North winds around 5 mph. Chance of rain 30%.
Monday Night... Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 30%.
Tuesday... Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.
Tuesday Night... Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Wednesday Night... Mostly clear. Lows in the mid 50s.
Thursday... Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.
Friday... Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.
POP = Probability of Precipitation
Upper Bluff Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...