Day Mostly sunny. Not as cool with highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Night Mostly cloudy. A slight chance of rain after midnight. Not as cool. Near steady temperature in the mid 50s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
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