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Current Weather Conditions for O Fallon, IL

Mostly clear, with a low around 68. North wind around 7 mph.
77°F

Conditions

Wind: 7 mph N
Humidity: 90%
Probability of Precipitation: 12%

Hourly Forcast (next 12 hours)

1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM
77° 75° 74° 73° 73° 72° 71° 70° 70° 70° 68° 70° 72°

Upcoming Week

Day Forecast High Low
Tonight
Mostly Clear
Mostly clear, with a low around 68. North wind around 7 mph.
91°F 76°F
Sunday
Sunny
Sunny, with a high near 86. Northeast wind 7 to 12 mph.
91°F 76°F
Sunday Night
Clear
Clear, with a low around 67. North wind 3 to 10 mph.
91°F 76°F
Monday
Sunny
Sunny, with a high near 87. Northeast wind 5 to 10 mph.
91°F 76°F
Monday Night
Clear
Clear, with a low around 69. Northeast wind 2 to 9 mph.
91°F 76°F
Tuesday
Sunny
Sunny, with a high near 89.
91°F 76°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 71.
91°F 76°F
Wednesday
Sunny
Sunny, with a high near 91.
91°F 76°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 73.
91°F 76°F
Thursday
Sunny
Sunny, with a high near 92.
91°F 76°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 74.
91°F 76°F
Friday
Sunny
Sunny, with a high near 94.
91°F 76°F
Friday Night
Mostly Clear
Mostly clear, with a low around 75.
91°F 76°F
Saturday
Sunny
Sunny, with a high near 94.
91°F 76°F
Data provided by weather.gov