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East St. Louis, IL 7-Day Weather Forecast
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East St. Louis Weather Forecast
East St. Louis, IL Weather Forecast Date: 1033 PM CST Mon Mar 02 2026
Weather forecast for East St. Louis, IL
Tonight Lo: 39°F Lo: 4°C |
Tonight... Cloudy with patchy very light drizzle. Patchy fog. Rain with a slight chance of thunderstorms. Near steady temperature in the upper 30s. East winds around 5 mph. Chance of rain 90%. |
Tue Hi: 59°FHi: 15°C Lo: 49°F Lo: 9°C |
Tuesday... Patchy fog in the morning. Rain with a chance of thunderstorms. Not as cool with highs in the upper 50s. East winds around 5 mph. Chance of rain near 100%. |
| Wed Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Wednesday... A chance of thunderstorms. Rain. Highs in the mid 60s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of rain near 100%. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy with rain with a chance of thunderstorms in the morning, then mostly sunny with a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 80%. |
| Fri Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Friday... Mostly cloudy. A chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Chance of rain 50%. |
| Sat Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Saturday... Cloudy with a slight chance of thunderstorms. Rain likely, mainly in the morning. Cooler with highs in the upper 60s. Chance of rain 70%. |
Sun Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Sunday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s. Lows around 50. |
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