10 Day Weather - O'Fallon, IL
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SaturdayPartly Sunny80°Night50% Chance of Storms65°Day DetailsPartly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph.Night DetailsMostly cloudy with a chance of thunderstorms. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of rain 50 percent.
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Sunday50% Chance of Storms77°NightMostly Clear61°Day DetailsMostly cloudy in the morning then becoming partly sunny. A slight chance of thunderstorms in the morning. A chance of showers. Less humid with highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 50 percent.Night DetailsMostly clear. Lows in the upper 50s. Northwest winds around 5 mph.
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MondaySunny77°NightPartly Cloudy56°Day DetailsSunny. Highs in the upper 70s. North winds 5 to 10 mph.Night DetailsMostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.
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TuesdayPartly Cloudy80°NightPartly Cloudy62°Day DetailsPartly cloudy. Highs around 80. Lows in the lower 60s.Night DetailsPartly cloudy. Highs around 80. Lows in the lower 60s.
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WednesdayMostly Sunny86°NightMostly Clear67°Day DetailsMostly sunny. Highs in the mid 80s.Night DetailsMostly clear. Lows in the upper 60s. Highs in the lower 90s.
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ThursdayMostly Sunny91°NightMostly Clear70°Day DetailsMostly clear. Lows in the upper 60s. Highs in the lower 90s.Night DetailsMostly clear. Lows in the upper 60s. Highs in the lower 90s.
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FridayMostly Sunny92°NightMostly Clear72°Friday 6/14Day92°Mostly SunnyNight72°Mostly ClearDay DetailsMostly clear. Lows in the upper 60s. Highs in the lower 90s.Night DetailsMostly clear. Low temperature around 72F. Dew point will be around 66F with an average humidity of 70%. Winds will be 4 mph from the N.
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SaturdayMostly Sunny91°NightClear72°Saturday 6/15Day91°Mostly SunnyNight72°ClearDay DetailsMostly sunny. High temperature around 91F. Dew point will be around 66F with an average humidity of 54%. Winds will be 2 mph from the SE.Night DetailsClear. Low temperature around 72F. Dew point will be around 67F with an average humidity of 71%. Winds will be 3 mph from the SE.
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SundayMostly Sunny91°NightClear73°Sunday 6/16Day91°Mostly SunnyNight73°ClearDay DetailsMostly sunny. High temperature around 91F. Dew point will be around 67F with an average humidity of 55%. Winds will be 4 mph from the S.Night DetailsClear. Low temperature around 73F. Dew point will be around 67F with an average humidity of 69%. Winds will be 4 mph from the S.
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Monday30% Chance of Rain90°Night30% Chance of Rain74°Monday 6/17Day90°30% Chance of RainNight74°30% Chance of RainDay DetailsMostly sunny with a 30% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 67F with an average humidity of 56%. Winds will be 4 mph from the S.Night DetailsMostly clear with a 30% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 69F with an average humidity of 75%. Winds will be 3 mph from the SE.
