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 68°F 2025-09-22T06:51:00-05:00 Today 2025-09-22, Chance Showers then Slight Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. South wind 5 to 7 mph. Chance of precipitation is 40%.
Tonight 2025-09-22, Partly Cloudy. Partly cloudy, with a low around 67. Light southeast wind.Tuesday 2025-09-23, Slight Chance Showers then Chance Showers. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night 2025-09-23, Showers. Showers and possibly a thunderstorm. Low around 68. Light southeast wind. Chance of precipitation is 80%.
Wednesday 2025-09-24, Showers. Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. Southeast wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%.
Wednesday Night 2025-09-24, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday 2025-09-25, Chance Showers. A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night 2025-09-25, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 60.Friday 2025-09-26, Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78.
Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 59.
Saturday 2025-09-27, Sunny. Sunny, with a high near 83.- Saturday Night 2025-09-27, Mostly Clear. Mostly clear, with a low around 61.
- Sunday 2025-09-28, Sunny. Sunny, with a high near 84.