I-255 IL weather conditions near Saint Louis, Missouri
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 87°F 2025-06-19T15:53:00-05:00 
Tonight 2025-06-19, Clear. Clear, with a low around 67. West wind around 6 mph becoming calm in the evening.
Friday 2025-06-20, Sunny. Sunny, with a high near 93. Light south wind increasing to 5 to 9 mph in the morning.- Friday Night 2025-06-20, Clear. Clear, with a low around 75. South wind 7 to 9 mph.
Saturday 2025-06-21, Hot. Sunny and hot, with a high near 97. Heat index values as high as 109. South wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 76. South wind 6 to 9 mph.- Sunday 2025-06-22, Hot. Sunny and hot, with a high near 97.
- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 76.
- Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 76.
Tuesday 2025-06-24, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 95.
Tuesday Night 2025-06-24, Partly Cloudy. Partly cloudy, with a low around 76.Wednesday 2025-06-25, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
- Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 75.
Thursday 2025-06-26, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.