I-55 weather conditions near Saint Louis, Missouri
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Light Rain Fog/Mist 76°F 2025-07-12T09:53:00-05:00 
Today 2025-07-12, Chance T-storms. A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. West wind around 9 mph. Chance of precipitation is 40%.Tonight 2025-07-12, Mostly Clear then Slight Chance Showers. A 20 percent chance of showers after 4am. Partly cloudy, with a low around 72. Northwest wind 5 to 7 mph becoming calm in the evening.
- Sunday 2025-07-13, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Light and variable wind becoming north around 5 mph.
Sunday Night 2025-07-13, Mostly Cloudy. Mostly cloudy, with a low around 71. Light and variable wind.Monday 2025-07-14, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Monday Night 2025-07-14, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. Chance of precipitation is 20%.
Tuesday 2025-07-15, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91.
Tuesday Night 2025-07-15, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.Wednesday 2025-07-16, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.
Wednesday Night 2025-07-16, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74.
Thursday 2025-07-17, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.- Thursday Night 2025-07-17, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday 2025-07-18, Slight Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.