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Current Weather Conditions for O Fallon, IL

A chance of rain showers before 1pm. Partly sunny, with a high near 81. North wind 2 to 7 mph. Chance of precipitation is 40%.
68°F

Conditions

Wind: 2 mph NW
Humidity: 91%
Probability of Precipitation: 38%

Hourly Forcast (next 12 hours)

1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM
68° 70° 72° 74° 76° 77° 78° 79° 80° 80° 81° 79° 75°

Upcoming Week

Day Forecast High Low
Today
Chance Rain Showers
A chance of rain showers before 1pm. Partly sunny, with a high near 81. North wind 2 to 7 mph. Chance of precipitation is 40%.
81°F 68°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 61. East wind 2 to 6 mph.
81°F 68°F
Memorial Day
Mostly Sunny
Mostly sunny, with a high near 82. East wind 3 to 8 mph.
81°F 68°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 64. East wind 2 to 7 mph.
81°F 68°F
Tuesday
Showers And Thunderstorms Likely
A chance of rain showers between 7am and 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 60%.
81°F 68°F
Tuesday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
81°F 68°F
Wednesday
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
81°F 68°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. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
81°F 68°F
Thursday
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
81°F 68°F
Thursday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
81°F 68°F
Friday
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 80. Chance of precipitation is 50%.
81°F 68°F
Friday 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 61. Chance of precipitation is 50%.
81°F 68°F
Saturday
Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
81°F 68°F
Saturday Night
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
81°F 68°F
Data provided by weather.gov