Weather World
St. Libory, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Libory, IL Weather Forecast
St. Libory, IL Weather Forecast Date: 927 AM CDT Fri Sep 04 2026
The area/counties/county of: Madison County Il, including the cities of: Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis.or toggle through each period.
Rest of Today... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 106.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Heat index values up to 104 early in the evening.
Saturday... Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 108.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 104 early in the evening.
Sunday... Sunny. Highs in the mid 90s. Northeast winds 5 to 10 mph. Heat index values up to 102.
Sunday Night... Mostly clear. Lows in the upper 60s. Highs in the lower 90s.
Monday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s.
Tuesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.
Wednesday Night... Mostly clear. A slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20%. Heat index values up to 100 early in the evening.
POP = Probability of Precipitation
St. Libory Radar Loop
Use the map search tool if you want to place a location marker on the radar map...