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Wbgz-Am Alton, IL Weather Forecast
Wbgz-Am Alton, IL Weather Forecast Date: 323 AM CDT Mon Aug 17 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... Mostly sunny. Highs in the mid 80s. North winds 5 to 10 mph.
Tonight... Partly cloudy. Patchy fog after midnight. Lows in the mid 60s. North winds 5 to 10 mph.
Tuesday... Patchy fog in the morning. Sunny. Highs in the upper 80s. South winds around 5 mph.
Tuesday Night... Mostly clear in the evening, then partly cloudy with showers and thunderstorms likely after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 70%.
Wednesday... Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 50%.
Wednesday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 70%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. Lows in the mid 60s.
Friday... Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
Friday Night... Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
Saturday... Mostly sunny. Highs in the mid 80s.
Saturday Night... Mostly clear. Lows in the mid 60s.
POP = Probability of Precipitation
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