I-70 weather conditions near Saint Peters, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 68°F 2025-10-17T00:54:00-05:00
• Overnight 2025-10-17, Mostly Cloudy. Mostly cloudy, with a low around 62. Southeast wind around 7 mph.
• Friday 2025-10-17, Partly Sunny. Partly sunny, with a high near 84. South wind 6 to 10 mph.
• Friday Night 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 64. South wind 7 to 9 mph.
• Saturday 2025-10-18, Showers. A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
• Saturday Night 2025-10-18, Showers Likely. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 50. Southwest wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
• Sunday 2025-10-19, Sunny. Sunny, with a high near 64.
• Sunday Night 2025-10-19, Clear. Clear, with a low around 46.
• Monday 2025-10-20, Sunny. Sunny, with a high near 74.
• Monday Night 2025-10-20, Chance Showers. A 40 percent chance of showers. Partly cloudy, with a low around 50.
• Tuesday 2025-10-21, Slight Chance Showers. A 20 percent chance of showers before 1pm. Sunny, with a high near 65.
• Tuesday Night 2025-10-21, Mostly Clear. Mostly clear, with a low around 41.
• Wednesday 2025-10-22, Sunny. Sunny, with a high near 66.
• Wednesday Night 2025-10-22, Partly Cloudy. Partly cloudy, with a low around 46.
• Thursday 2025-10-23, Mostly Sunny. Mostly sunny, with a high near 66.