I-55 weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 70°F 2025-08-14T05:53:00-05:00
• Today 2025-08-14, Patchy Fog then Mostly Sunny. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Light and variable wind.
• Tonight 2025-08-14, Mostly Clear. Mostly clear, with a low around 71. East wind around 5 mph becoming calm in the evening.
• Friday 2025-08-15, Sunny. Sunny, with a high near 95. South wind 3 to 6 mph.
• Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
• Saturday 2025-08-16, Hot. Sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
• Saturday Night 2025-08-16, Mostly Clear. Mostly clear, with a low around 75.
• Sunday 2025-08-17, Hot. Sunny and hot, with a high near 98.
• Sunday Night 2025-08-17, Mostly Clear. Mostly clear, with a low around 76.
• Monday 2025-08-18, Hot. Sunny and hot, with a high near 97.
• Monday Night 2025-08-18, Partly Cloudy. Partly cloudy, with a low around 76.
• Tuesday 2025-08-19, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
• Tuesday Night 2025-08-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
• Wednesday 2025-08-20, Chance Showers. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.