I-70 weather conditions near O Fallon, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 69°F 2025-08-21T07:54:00-05:00
• Today 2025-08-21, Mostly Sunny. Mostly sunny, with a high near 81. Northeast wind around 7 mph.
• Tonight 2025-08-21, Mostly Clear then Patchy Fog. Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
• Friday 2025-08-22, Patchy Fog then Sunny. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Light northeast wind.
• Friday Night 2025-08-22, Mostly Clear. Mostly clear, with a low around 65. Calm wind.
• Saturday 2025-08-23, Mostly Sunny. Mostly sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.
• Saturday Night 2025-08-23, Partly Cloudy. Partly cloudy, with a low around 59.
• Sunday 2025-08-24, Sunny. Sunny, with a high near 79.
• Sunday Night 2025-08-24, Mostly Clear. Mostly clear, with a low around 58.
• Monday 2025-08-25, Mostly Sunny. Mostly sunny, with a high near 76.
• Monday Night 2025-08-25, Partly Cloudy. Partly cloudy, with a low around 53.
• Tuesday 2025-08-26, Mostly Sunny. Mostly sunny, with a high near 74.
• Tuesday Night 2025-08-26, Partly Cloudy. Partly cloudy, with a low around 53.
• Wednesday 2025-08-27, Mostly Sunny. Mostly sunny, with a high near 77.