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Current Weather Conditions for O Fallon, IL

Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 62. Southeast wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
64°F

Conditions

Wind: 13 mph SE
Humidity: 75%
Probability of Precipitation: 77%

Hourly Forcast (next 12 hours)

9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM
64° 62° 62° 62° 64° 65° 67° 70° 73° 74° 76° 78° 79°

Upcoming Week

Day Forecast High Low
Overnight
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 62. Southeast wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
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Monday
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Some of the storms could be severe and produce heavy rain. Mostly cloudy, with a high near 82. South wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
73°F 45°F
Monday Night
Showers And Thunderstorms then Partly Cloudy
Showers and thunderstorms before 10pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 54. Southwest wind 7 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
73°F 45°F
Tuesday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 72. North wind around 6 mph. Chance of precipitation is 30%.
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Tuesday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 5 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 66. Chance of precipitation is 50%.
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Wednesday Night
Mostly Clear
Mostly clear, with a low around 44.
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Thursday
Mostly Sunny
Mostly sunny, with a high near 67.
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Thursday Night
Partly Cloudy
Partly cloudy, with a low around 46.
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Friday
Mostly Sunny
Mostly sunny, with a high near 64.
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Friday Night
Partly Cloudy
Partly cloudy, with a low around 41.
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Saturday
Sunny
Sunny, with a high near 66.
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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 73.
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Data provided by weather.gov