I-70 weather conditions near Collinsville, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 71°F 2025-06-17T02:53:00-05:00 
Overnight 2025-06-17, Patchy Fog. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Tuesday 2025-06-17, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.Tuesday Night 2025-06-17, Partly Cloudy then Slight Chance T-storms. A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 73. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday 2025-06-18, Chance T-storms then T-storms. Showers and thunderstorms, mainly after 1pm. High near 86. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Wednesday Night 2025-06-18, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 68. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 68.- Friday 2025-06-20, Sunny. Sunny, with a high near 91.
- 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, Sunny. Sunny, with a high near 96.
- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 76.
- Monday 2025-06-23, Sunny. Sunny, with a high near 94.