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Current Weather Conditions for O Fallon, IL

A chance of showers and thunderstorms before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 55. Northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
70°F

Conditions

Wind: 14 mph NW
Humidity: 84%
Probability of Precipitation: 37%

Hourly Forcast (next 12 hours)

2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM
70° 68° 68° 67° 66° 64° 62° 60° 58° 57° 56° 57° 58°

Upcoming Week

Day Forecast High Low
Tonight
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 55. Northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
71°F 52°F
Tuesday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 70. North wind around 7 mph. Chance of precipitation is 30%.
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Tuesday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 6 to 9 mph. Chance of precipitation is 90%.
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Wednesday
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 7am. Mostly sunny, with a high near 65. Northwest wind 10 to 14 mph. Chance of precipitation is 50%.
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Wednesday Night
Mostly Clear
Mostly clear, with a low around 43. North wind 2 to 12 mph.
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Thursday
Mostly Sunny
Mostly sunny, with a high near 66.
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Thursday Night
Partly Cloudy
Partly cloudy, with a low around 46.
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Friday
Partly Sunny
Partly sunny, with a high near 63.
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Friday Night
Partly Cloudy
Partly cloudy, with a low around 41.
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Saturday
Mostly Sunny
Mostly sunny, with a high near 65.
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Saturday Night
Mostly Clear
Mostly clear, with a low around 44.
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Sunday
Sunny
Sunny, with a high near 74.
71°F 52°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 51.
71°F 52°F
Monday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
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Data provided by weather.gov