Weather WorldNew Athens, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
New Athens, IL Weather Forecast
New Athens, IL Weather Forecast Date: 533 AM CDT Wed Sep 23 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.
Today... Partly sunny. Highs in the lower 70s. North winds 5 to 10 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Thursday... Partly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Thursday Night... Mostly cloudy. Lows around 60. Northeast winds around 5 mph.
Friday... Partly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Friday Night... Mostly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Saturday... Mostly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Saturday Night... Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20%.
Sunday... Partly sunny. Highs around 80.
Sunday Night... Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Monday... Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Monday Night... Mostly clear. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20%.
POP = Probability of Precipitation
New Athens Radar Loop
Use the map search tool if you want to place a location marker on the radar map...