I-55 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: Overcast 88°F 2025-08-14T12:53:00-05:00
This Afternoon 2025-08-14, Sunny. Sunny, with a high near 90. Light southeast wind.
Tonight 2025-08-14, Mostly Clear. Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Friday 2025-08-15, Sunny. Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon.
Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 74. Light southeast wind.
Saturday 2025-08-16, Hot. Sunny and hot, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 75.
Sunday 2025-08-17, Hot. Sunny and hot, with a high near 98.
Sunday Night 2025-08-17, Mostly Clear. Mostly clear, with a low around 75.
Monday 2025-08-18, Hot. Sunny and hot, with a high near 98.
Monday Night 2025-08-18, Partly Cloudy. Partly cloudy, with a low around 75.
Tuesday 2025-08-19, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Tuesday Night 2025-08-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday 2025-08-20, Chance Showers. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.