Day Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. High near 69. South wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Night Mostly cloudy, then gradually becoming mostly clear, with a low around 46. West wind 5 to 9 mph becoming calm after midnight.
Includes the Counties: Madison County Il,
Saint Clair County Il,
Monroe County Il,
Saint Charles County Mo,
Saint Louis County Mo,
Saint Louis City County Mo,
Jefferson County Mo,
Including The Cities Of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, And Saint Louis