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Current Weather Conditions for O Fallon, IL

Mostly clear, with a low around 43. North wind around 9 mph, with gusts as high as 21 mph.

57°F

Conditions

Wind: 7 mph NW
Humidity: 57%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

6 AM

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Upcoming Week

Day	Forecast	High	Low
Overnight	Mostly Clear Mostly clear, with a low around 43. North wind around 9 mph, with gusts as high as 21 mph.	54°F	43°F
Sunday	Sunny Sunny. High near 59, with temperatures falling to around 53 in the afternoon. North wind 6 to 9 mph.	54°F	43°F
Sunday Night	Mostly Clear Mostly clear, with a low around 34. North wind around 3 mph.	54°F	43°F
Monday	Mostly Sunny then Slight Chance Rain Showers A slight chance of rain showers after 3pm. Mostly sunny. High near 60, with temperatures falling to around 56 in the afternoon. Southeast wind 2 to 12 mph. Chance of precipitation is 20%.	54°F	43°F
Monday Night	Rain Showers Likely Rain showers likely before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 47. Southeast wind around 10 mph. Chance of precipitation is 70%.	54°F	43°F
Tuesday	Chance Showers And Thunderstorms A chance of showers and thunderstorms. Partly sunny. High near 71, with temperatures falling to around 66 in the afternoon. Chance of precipitation is 30%.	54°F	43°F
Tuesday Night	Slight Chance Rain Showers A slight chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.	54°F	43°F
Wednesday	Chance Light Rain A chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 30%.	54°F	43°F
Wednesday Night	Light Rain Likely Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.	54°F	43°F
Thursday	Rain Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 65. Chance of precipitation is 80%.	54°F	43°F
Thursday Night	Rain Rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 80%.	54°F	43°F
Friday	Light Rain Likely Rain likely. Partly sunny, with a high near 63. Chance of precipitation is 60%.	54°F	43°F
Friday Night	Chance Light Rain A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.	54°F	43°F
Saturday	Slight Chance Light Rain A slight chance of rain. Mostly sunny, with a high near 56. Chance of precipitation is 20%.	54°F	43°F
Data provided by weather.gov