I-70 weather conditions near O Fallon, Missouri
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 71°F 2025-06-16T06:54:00-05:00 Today 2025-06-16, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly cloudy, with a high near 84. Light east wind.
Tonight 2025-06-16, Mostly Cloudy. Mostly cloudy, with a low around 68. Light and variable wind.
Tuesday 2025-06-17, Mostly Sunny. Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night 2025-06-17, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 7 mph.Wednesday 2025-06-18, Chance T-storms then Showers Likely. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
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 67. Chance of precipitation is 40%.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 85.
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 94.
- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 76.
- Sunday 2025-06-22, Sunny. Sunny, with a high near 94.