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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 high near 82. South wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
73°F

Conditions

Wind: 21 mph S
Humidity: 84%
Probability of Precipitation: 30%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
73° 74° 76° 78° 79° 81° 77° 75° 71° 70° 68° 67° 65°

Upcoming Week

Day Forecast High Low
This Afternoon
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 82. South wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
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Tonight
Showers And Thunderstorms then Partly Cloudy
Showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 8pm, then showers and thunderstorms likely between 8pm and 10pm. Some of the storms could be severe and produce heavy rain. Partly cloudy, with a low around 55. Southwest wind 7 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
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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
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 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. 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 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.
81°F 58°F
Saturday
Sunny
Sunny, with a high near 66.
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Saturday Night
Mostly Clear
Mostly clear, with a low around 44.
81°F 58°F
Sunday
Sunny
Sunny, with a high near 73.
81°F 58°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 52.
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Data provided by weather.gov