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 81°F 2025-06-20T08:53:00-05:00 - Today 2025-06-20, Mostly Sunny. Mostly sunny, with a high near 93. Heat index values as high as 100. Light south wind increasing to 5 to 10 mph in the morning.
Tonight 2025-06-20, Mostly Clear. Mostly clear, with a low around 76. South wind 7 to 9 mph.
Saturday 2025-06-21, Hot. Sunny and hot, with a high near 98. Heat index values as high as 110. South wind 8 to 13 mph, with gusts as high as 22 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. Southwest wind 6 to 9 mph.
- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 77.
- Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
Monday Night 2025-06-23, Partly Cloudy. Partly cloudy, with a low around 76.
Tuesday 2025-06-24, Slight Chance Showers. A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95.- Tuesday Night 2025-06-24, Partly Cloudy. Partly cloudy, with a low around 76.
Wednesday 2025-06-25, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
- Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 76.