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Current Weather Conditions for O Fallon, MO

Mostly clear, with a low around 31. West wind 16 to 20 mph, with gusts as high as 39 mph.
59°F

Conditions

Wind: 13 mph W
Humidity: 39%
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
59° 53° 49° 45° 42° 40° 37° 34° 33° 32° 31° 32° 32°

Upcoming Week

Day Forecast High Low
Tonight
Mostly Clear
Mostly clear, with a low around 31. West wind 16 to 20 mph, with gusts as high as 39 mph.
55°F 38°F
Friday
Sunny
Sunny, with a high near 48. West wind 9 to 17 mph, with gusts as high as 33 mph.
55°F 38°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 28. North wind around 6 mph.
55°F 38°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 44. Northwest wind 5 to 10 mph.
55°F 38°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 22. Northwest wind around 12 mph, with gusts as high as 22 mph.
55°F 38°F
Sunday
Sunny
Sunny, with a high near 37.
55°F 38°F
Sunday Night
Clear
Clear, with a low around 17.
55°F 38°F
Monday
Sunny
Sunny, with a high near 37.
55°F 38°F
Monday Night
Mostly Clear
Mostly clear, with a low around 19.
55°F 38°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 54.
55°F 38°F
Tuesday Night
Mostly Cloudy
Mostly cloudy, with a low around 41.
55°F 38°F
Wednesday
Slight Chance Light Rain
A slight chance of rain. Partly sunny, with a high near 61. Chance of precipitation is 20%.
55°F 38°F
Wednesday Night
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
55°F 38°F
Thursday
Slight Chance Light Rain
A slight chance of rain. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
55°F 38°F
Data provided by weather.gov