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City of St. Louis, MissouriSt. Louis, MO 7-Day Weather Forecast
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St. Louis Weather Forecast
St. Louis, MO Weather Forecast Date: 923 PM CDT Sun Aug 30 2026
Weather forecast for St. Louis, MO
Tonight Lo: 71°F Lo: 22°C |
Tonight... Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. |
Mon Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Monday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. |
| Tue Hi: 100°FHi: 38°C Lo: 79°F Lo: 26°C |
Tuesday... Sunny, hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 107. |
| Wed Hi: 99°FHi: 37°C Lo: 79°F Lo: 26°C |
Wednesday... Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 105. |
| Thu Hi: 99°FHi: 37°C Lo: 79°F Lo: 26°C |
Thursday... Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 105. |
| Thu Hi: 99°FHi: 37°C Lo: 79°F Lo: 26°C |
Thursday... Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 105. |
Fri Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Friday... Sunny. A slight chance of showers in the morning. Hot with highs in the upper 90s. Chance of rain 20%. Heat index values up to 105. |
| Sat Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Saturday... Sunny. A slight chance of showers in the morning. Highs in the mid 90s. Chance of rain 20%. Heat index values up to 100. |
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