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: Mostly Cloudy 79°F 2025-06-14T13:53:00-05:00 
This Afternoon 2025-06-14, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. North wind around 9 mph.Tonight 2025-06-14, Mostly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. North wind 5 to 7 mph becoming calm after midnight.
Sunday 2025-06-15, Patchy Fog then Partly Sunny. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Northeast wind 3 to 6 mph.
Sunday Night 2025-06-15, Mostly Cloudy then Chance Showers. A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 3 to 6 mph.
Monday 2025-06-16, Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Light south wind. Chance of precipitation is 30%.Monday Night 2025-06-16, Mostly Cloudy then Slight Chance T-storms. A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
- Tuesday 2025-06-17, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90.
Tuesday Night 2025-06-17, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.Wednesday 2025-06-18, Chance Showers then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Wednesday Night 2025-06-18, Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.Juneteenth 2025-06-19, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 70.
Friday 2025-06-20, Sunny. Sunny, with a high near 92.