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Current Weather Conditions for O Fallon, IL

Partly sunny, with a high near 89. South wind 12 to 20 mph, with gusts as high as 28 mph.

76°F

Conditions

Wind: 12 mph S
Humidity: 74%
Probability of Precipitation: 1%

Hourly Forcast (next 12 hours)

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Upcoming Week

Day	Forecast	High	Low
Today	Partly Sunny Partly sunny, with a high near 89. South wind 12 to 20 mph, with gusts as high as 28 mph.	89°F	76°F
Tonight	Partly Cloudy Partly cloudy, with a low around 73. South wind 13 to 17 mph, with gusts as high as 26 mph.	89°F	76°F
Monday	Showers And Thunderstorms Likely A chance of rain showers between 8am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a slight chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms likely. Partly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.	89°F	76°F
Monday Night	Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 71. South wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.	89°F	76°F
Tuesday	Showers And Thunderstorms Showers and thunderstorms after 7am. Partly sunny. High near 87, with temperatures falling to around 82 in the afternoon. Southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.	89°F	76°F
Tuesday Night	Showers And Thunderstorms Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 100%.	89°F	76°F
Wednesday	Chance Showers And Thunderstorms then Mostly Cloudy A chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.	89°F	76°F
Wednesday Night	Slight Chance Rain Showers A slight chance of rain showers between 7pm and 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.	89°F	76°F
Thursday	Partly Sunny Partly sunny, with a high near 73.	89°F	76°F
Thursday Night	Mostly Cloudy then Slight Chance Rain Showers A slight chance of rain showers after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.	89°F	76°F
Friday	Chance Rain Showers then Slight Chance Showers And Thunderstorms A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.	89°F	76°F
Friday Night	Slight Chance Showers And Thunderstorms A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.	89°F	76°F
Saturday	Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 20%.	89°F	76°F
Saturday Night	Slight Chance Showers And Thunderstorms A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.	89°F	76°F
Data provided by weather.gov