I-55 weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Thunderstorm in Vicinity 58°F 2025-11-17T19:53:00-06:00
• Tonight 2025-11-17, Chance T-storms. A 40 percent chance of rain and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 52. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.
• Tuesday 2025-11-18, Slight Chance T-storms then Partly Sunny. A 20 percent chance of rain and thunderstorms, mainly between 10am and noon. Partly sunny, with a high near 73. South wind 5 to 7 mph becoming light and variable.
• Tuesday Night 2025-11-18, Mostly Cloudy. Mostly cloudy, with a low around 47. Light north wind.
• Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 62. Calm wind.
• Wednesday Night 2025-11-19, Mostly Cloudy then Chance Rain. A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 49. Light and variable wind.
• Thursday 2025-11-20, Rain. Rain, with thunderstorms also possible after 9am. High near 66. Chance of precipitation is 80%.
• Thursday Night 2025-11-20, Rain. Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
• Friday 2025-11-21, Rain Likely. Rain likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
• Friday Night 2025-11-21, Chance Rain then Mostly Cloudy. A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43.
• Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 56.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 41.
• Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 60.
• Sunday Night 2025-11-23, Partly Cloudy then Slight Chance Rain. A 20 percent chance of rain. Partly cloudy, with a low around 43.
• Monday 2025-11-24, Slight Chance Rain. A 20 percent chance of rain. Partly sunny, with a high near 59.