Weather WorldWellston, MO 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Wellston, MO Weather Forecast
Wellston, MO Weather Forecast Date: 127 AM CDT Sun Sep 06 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 Tonight... Partly cloudy. Lows in the lower 70s. Northeast winds around 5 mph.
Sunday... Mostly sunny. Not as warm with highs around 90. Northeast winds 5 to 10 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Labor Day... Sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. East winds around 5 mph.
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.
Tuesday Night... Mostly clear. Hot. Highs in the mid 90s. Lows in the lower 70s.
Wednesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 20%. Heat index values up to 105 in the afternoon.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows around 70. Chance of rain 70%. Heat index values up to 100 early in the evening.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as warm with highs in the mid 80s. Chance of rain 50%.
Thursday Night... Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20%.
Friday... Sunny with a 20% chance of showers. Highs in the mid 80s.
Friday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20%.
POP = Probability of Precipitation
Wellston Radar Loop
Use the map search tool if you want to place a location marker on the radar map...