I-70 weather conditions near Vandalia, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 74°F 2025-06-14T09:35:00-05:00 
Today 2025-06-14, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 81. Calm wind becoming north 5 to 8 mph in the afternoon.Tonight 2025-06-14, Slight Chance T-storms then Patchy Fog. A slight chance of showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 64. North wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday 2025-06-15, Patchy Fog then Partly Sunny. Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Northeast wind 3 to 5 mph.
Sunday Night 2025-06-15, Partly Cloudy. Partly cloudy, with a low around 67. Calm wind.
Monday 2025-06-16, Chance Showers. A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 83. Light southeast wind. Chance of precipitation is 30%.
Monday Night 2025-06-16, Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Tuesday 2025-06-17, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86.
Tuesday Night 2025-06-17, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.Wednesday 2025-06-18, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Wednesday Night 2025-06-18, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Juneteenth 2025-06-19, Chance Showers. A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 67.Friday 2025-06-20, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.