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Current Weather Conditions for O Fallon, IL

Showers and thunderstorms likely before 4am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Northwest wind 3 to 7 mph. Chance of precipitation is 60%.
87°F

Conditions

Wind: 7 mph W
Humidity: 63%
Probability of Precipitation: 50%

Hourly Forcast (next 12 hours)

11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM
87° 85° 81° 77° 76° 74° 73° 72° 71° 71° 71° 71° 70°

Upcoming Week

Day Forecast High Low
Tonight
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Northwest wind 3 to 7 mph. Chance of precipitation is 60%.
88°F 74°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 86. Northwest wind 6 to 10 mph.
88°F 74°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 67. Northwest wind 1 to 7 mph.
88°F 74°F
Wednesday
Sunny
Sunny, with a high near 88. Northwest wind around 3 mph.
88°F 74°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 68. West wind around 3 mph.
88°F 74°F
Thursday
Sunny
Sunny, with a high near 92.
88°F 74°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 71.
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Independence Day
Sunny
Sunny, with a high near 92.
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Friday Night
Partly Cloudy
Partly cloudy, with a low around 73.
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Saturday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
88°F 74°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
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Sunday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms 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 93. Chance of precipitation is 40%.
88°F 74°F
Sunday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
88°F 74°F
Monday
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
88°F 74°F
Data provided by weather.gov