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Current Weather Conditions for O Fallon, IL

Showers and thunderstorms. Cloudy, with a low around 69. Southeast wind 1 to 5 mph. Chance of precipitation is 100%.
73°F

Conditions

Wind: 1 mph S
Humidity: 93%
Probability of Precipitation: 100%

Hourly Forcast (next 12 hours)

5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM
73° 72° 72° 71° 70° 70° 69° 71° 71° 72° 73° 74° 75°

Upcoming Week

Day Forecast High Low
Overnight
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 69. Southeast wind 1 to 5 mph. Chance of precipitation is 100%.
94°F 78°F
Friday
Showers And Thunderstorms
Showers and thunderstorms before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 6 to 10 mph. Chance of precipitation is 90%.
94°F 78°F
Friday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Northwest wind 2 to 8 mph. Chance of precipitation is 70%.
94°F 78°F
Saturday
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Northeast wind around 3 mph. Chance of precipitation is 20%.
94°F 78°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind around 6 mph. Chance of precipitation is 40%.
94°F 78°F
Sunday
Chance Showers And Thunderstorms then Sunny
A chance of showers and thunderstorms before 7am. Sunny, with a high near 93. Chance of precipitation is 40%.
94°F 78°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 76.
94°F 78°F
Monday
Sunny
Sunny, with a high near 96.
94°F 78°F
Monday Night
Mostly Clear
Mostly clear, with a low around 76.
94°F 78°F
Tuesday
Sunny
Sunny, with a high near 97.
94°F 78°F
Tuesday Night
Clear
Clear, with a low around 77.
94°F 78°F
Wednesday
Sunny
Sunny, with a high near 97.
94°F 78°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 77.
94°F 78°F
Thursday
Sunny
Sunny, with a high near 96.
94°F 78°F
Data provided by weather.gov