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Current Weather Conditions for O Fallon, IL

A chance of rain showers after noon. Mostly cloudy, with a high near 69. Northeast wind around 8 mph. Chance of precipitation is 50%.
62°F

Conditions

Wind: 6 mph E
Humidity: 84%
Probability of Precipitation: 2%

Hourly Forcast (next 12 hours)

11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM
62° 61° 61° 62° 65° 65° 66° 66° 66° 66° 68° 68° 68°

Upcoming Week

Day Forecast High Low
Today
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after noon. Mostly cloudy, with a high near 69. Northeast wind around 8 mph. Chance of precipitation is 50%.
85°F 69°F
Tonight
Chance Rain Showers then Patchy Fog
A chance of rain showers before 11pm, then patchy fog between 3am and 5am. Mostly cloudy, with a low around 59. North wind 1 to 7 mph. Chance of precipitation is 30%.
85°F 69°F
Saturday
Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy fog before 7am, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind around 3 mph. Chance of precipitation is 20%.
85°F 69°F
Saturday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. South wind around 3 mph. Chance of precipitation is 60%.
85°F 69°F
Sunday
Showers And Thunderstorms Likely
Rain showers likely before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind around 3 mph. Chance of precipitation is 60%.
85°F 69°F
Sunday Night
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
85°F 69°F
Memorial Day
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
85°F 69°F
Monday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
85°F 69°F
Tuesday
Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
85°F 69°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 50%.
85°F 69°F
Wednesday
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
85°F 69°F
Wednesday Night
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
85°F 69°F
Thursday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
85°F 69°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
85°F 69°F
Data provided by weather.gov