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: Fog/Mist 68°F 2025-09-23T07:51:00-05:00 Today 2025-09-23, Chance Showers then Showers. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 82. Calm wind becoming south 5 to 7 mph. Chance of precipitation is 80%.
Tonight 2025-09-23, Showers and Patchy Fog. Showers and possibly a thunderstorm before 4am, then showers likely. Patchy fog after 2am. Low around 67. Southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 80%.
Wednesday 2025-09-24, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. North wind around 9 mph. Chance of precipitation is 60%.Wednesday Night 2025-09-24, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday 2025-09-25, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 77. Northwest wind 5 to 8 mph.
Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 58.
Friday 2025-09-26, Sunny. Sunny, with a high near 81.
Friday Night 2025-09-26, Clear. Clear, with a low around 58.
Saturday 2025-09-27, Sunny. Sunny, with a high near 85.- Saturday Night 2025-09-27, Clear. Clear, with a low around 58.
- Sunday 2025-09-28, Sunny. Sunny, with a high near 85.
- Sunday Night 2025-09-28, Mostly Clear. Mostly clear, with a low around 59.
- Monday 2025-09-29, Sunny. Sunny, with a high near 84.