I-64 weather conditions near Saint Louis, Missouri
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Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 81°F 2025-08-17T21:51:00-05:00 
Tonight 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 80. Southeast wind 3 to 5 mph.Monday 2025-08-18, Mostly Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Southeast wind 3 to 6 mph.
Monday Night 2025-08-18, Chance T-storms. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.Tuesday 2025-08-19, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night 2025-08-19, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 74. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday 2025-08-20, Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 85. Chance of precipitation is 20%.- Wednesday Night 2025-08-20, Partly Cloudy. Partly cloudy, with a low around 68.
Thursday 2025-08-21, Mostly Sunny. Mostly sunny, with a high near 85.
Thursday Night 2025-08-21, Mostly Clear. Mostly clear, with a low around 68.
Friday 2025-08-22, Sunny. Sunny, with a high near 88.- Friday Night 2025-08-22, Mostly Clear. Mostly clear, with a low around 69.
- Saturday 2025-08-23, Sunny. Sunny, with a high near 87.
- Saturday Night 2025-08-23, Mostly Clear. Mostly clear, with a low around 64.
- Sunday 2025-08-24, Sunny. Sunny, with a high near 82.