I-70 weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 66°F 2025-10-18T00:53:00-05:00
• Overnight 2025-10-18, Mostly Clear. Mostly clear, with a low around 62. South wind around 8 mph.
• Saturday 2025-10-18, Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 75. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
• Saturday Night 2025-10-18, Heavy Rain and Breezy. Showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Some of the storms could produce heavy rainfall. Low around 50. Breezy, with a southwest wind 8 to 13 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
• Sunday 2025-10-19, Breezy. Chance Showers then Sunny. A 30 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 31 mph.
• Sunday Night 2025-10-19, Clear. Clear, with a low around 44. West wind 5 to 8 mph becoming light and variable.
• Monday 2025-10-20, Sunny. Sunny, with a high near 73.
• Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 50.
• Tuesday 2025-10-21, Sunny. Sunny, with a high near 63.
• Tuesday Night 2025-10-21, Mostly Clear. Mostly clear, with a low around 41.
• Wednesday 2025-10-22, Sunny. Sunny, with a high near 65.
• Wednesday Night 2025-10-22, Partly Cloudy then Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 46.
• Thursday 2025-10-23, Chance Showers. A 30 percent chance of showers. Mostly sunny, with a high near 69.
• Thursday Night 2025-10-23, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 45.
• Friday 2025-10-24, Mostly Sunny. Mostly sunny, with a high near 67.