I-255 IL weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 73°F 2025-06-18T05:53:00-05:00
• Today 2025-06-18, Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 85. South wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
• Tonight 2025-06-18, Chance T-storms then Slight Chance Showers. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 68. Southwest wind 7 to 9 mph. Chance of precipitation is 50%.
• Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86. Northwest wind around 8 mph.
• Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 68. Calm wind.
• Friday 2025-06-20, Sunny. Sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.
• Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 75.
• Saturday 2025-06-21, Sunny. Sunny, with a high near 96.
• Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 77.
• Sunday 2025-06-22, Hot. Sunny and hot, with a high near 97.
• Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 76.
• Monday 2025-06-23, Sunny. Sunny, with a high near 95.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 76.
• Tuesday 2025-06-24, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.