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Current Weather Conditions for O Fallon, IL

Clear, with a low around 68. Northeast wind around 3 mph.
77°F

Conditions

Wind: 3 mph NE
Humidity: 74%
Probability of Precipitation: 0%

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
77° 75° 73° 72° 71° 69° 69° 68° 68° 68° 70° 74° 77°

Upcoming Week

Day Forecast High Low
Tonight
Clear
Clear, with a low around 68. Northeast wind around 3 mph.
89°F 72°F
Tuesday
Sunny
Sunny, with a high near 91. Northeast wind 2 to 8 mph.
89°F 72°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 71. Northeast wind 0 to 7 mph.
89°F 72°F
Wednesday
Sunny
Sunny, with a high near 91. Northeast wind 0 to 5 mph.
89°F 72°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 72. Southeast wind 0 to 3 mph.
89°F 72°F
Thursday
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Chance of precipitation is 30%.
89°F 72°F
Thursday Night
Chance Showers And Thunderstorms then Mostly Clear
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Chance of precipitation is 30%.
89°F 72°F
Friday
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 94. Chance of precipitation is 20%.
89°F 72°F
Friday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
89°F 72°F
Saturday
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.
89°F 72°F
Saturday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 20%.
89°F 72°F
Sunday
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
89°F 72°F
Sunday Night
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
89°F 72°F
Monday
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
89°F 72°F
Data provided by weather.gov