I-70 weather conditions near O Fallon, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 52°F 2025-11-18T06:54:00-06:00
• Today 2025-11-18, Mostly Cloudy. Mostly cloudy, with a high near 70. South wind 6 to 8 mph becoming northwest in the afternoon.
• Tonight 2025-11-18, Mostly Cloudy. Mostly cloudy, with a low around 43. North wind 3 to 6 mph.
• Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 60. Calm wind.
• Wednesday Night 2025-11-19, Mostly Cloudy then Chance Rain. A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 49. Light and variable wind.
• Thursday 2025-11-20, Rain Likely. Rain likely. Cloudy, with a high near 62. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.
• Thursday Night 2025-11-20, Rain Likely. Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
• Friday 2025-11-21, Rain. Rain. High near 56. Chance of precipitation is 80%.
• Friday Night 2025-11-21, Chance Rain. A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41.
• Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 55.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 39.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 60.
• Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 42.
• Monday 2025-11-24, Slight Chance Rain. A 20 percent chance of rain. Partly sunny, with a high near 60.