I-270 MO 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 73°F 2025-08-15T06:53:00-05:00 
Today 2025-08-15, Sunny. Sunny, with a high near 95. Heat index values as high as 102. South wind 3 to 5 mph.
Tonight 2025-08-15, Mostly Clear. Mostly clear, with a low around 76. Southeast wind 3 to 6 mph.
Saturday 2025-08-16, Hot. Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.- Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 76. Light southeast wind.
- Sunday 2025-08-17, Hot. Sunny and hot, with a high near 98. Calm wind becoming south around 5 mph in the afternoon.
- Sunday Night 2025-08-17, Mostly Clear. Mostly clear, with a low around 76.
- Monday 2025-08-18, Hot. Sunny and hot, with a high near 99.
- Monday Night 2025-08-18, Mostly Clear. Mostly clear, with a low around 77.
Tuesday 2025-08-19, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.
Tuesday Night 2025-08-19, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75.
Wednesday 2025-08-20, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night 2025-08-20, Partly Cloudy. Partly cloudy, with a low around 70.Thursday 2025-08-21, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.