Day Rain and possibly a thunderstorm before noon, then a chance of rain between noon and 4pm. High near 70. South wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Night Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southwest wind 5 to 8 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