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Current Weather Conditions for O Fallon, IL

Sunny, with a high near 67. West wind 5 to 16 mph, with gusts as high as 29 mph.
43°F

Conditions

Wind: 5 mph W
Humidity: 71%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM
43° 45° 49° 55° 58° 60° 63° 65° 65° 66° 67° 65° 62°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny, with a high near 67. West wind 5 to 16 mph, with gusts as high as 29 mph.
69°F 52°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 40. North wind 3 to 10 mph.
69°F 52°F
Monday
Sunny
Sunny, with a high near 66. East wind 3 to 7 mph.
69°F 52°F
Monday Night
Mostly Clear
Mostly clear, with a low around 50. South wind around 8 mph.
69°F 52°F
Tuesday
Sunny
Sunny, with a high near 78. Southwest wind 7 to 15 mph, with gusts as high as 24 mph.
69°F 52°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 56.
69°F 52°F
Wednesday
Sunny
Sunny, with a high near 78.
69°F 52°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 59.
69°F 52°F
Thursday
Sunny
Sunny, with a high near 82.
69°F 52°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
69°F 52°F
Friday
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
69°F 52°F
Friday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
69°F 52°F
Saturday
Rain Showers Likely
Rain showers likely. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
69°F 52°F
Saturday Night
Slight Chance Rain Showers
A slight chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
69°F 52°F
Data provided by weather.gov