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: Thunderstorm in Vicinity 75°F 2025-09-20T16:53:00-05:00 
This Afternoon 2025-09-20, T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a steady temperature around 75. Southeast wind around 8 mph. Chance of precipitation is 60%.
Tonight 2025-09-20, Scattered T-storms. Scattered showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.Sunday 2025-09-21, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night 2025-09-21, Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 67. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%.
Monday 2025-09-22, Showers. Showers and possibly a thunderstorm. High near 83. South wind 5 to 7 mph. Chance of precipitation is 80%.Monday Night 2025-09-22, Chance T-storms then Chance Showers. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday 2025-09-23, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Tuesday Night 2025-09-23, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday 2025-09-24, Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.- Wednesday Night 2025-09-24, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday 2025-09-25, Chance Showers. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Thursday Night 2025-09-25, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday 2025-09-26, Chance Showers. A 30 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night 2025-09-26, Partly Cloudy. Partly cloudy, with a low around 60.
Saturday 2025-09-27, Mostly Sunny. Mostly sunny, with a high near 78.