Expires:202406171000;;148649 FPUS53 KLSX 170225 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 924 PM CDT Sun Jun 16 2024 ILZ069-070-074-171000- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 924 PM CDT Sun Jun 16 2024 .REST OF TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 101. .MONDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. South winds 10 to 15 mph. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. .JUNETEENTH...Partly sunny. Highs in the lower 90s. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Hot. Lows in the lower 70s. Highs in the mid 90s. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Hot. Highs in the upper 90s. Lows in the mid 70s. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. $$