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Current Weather Conditions for O Fallon, IL

Patchy fog. Mostly clear, with a low around 59. North wind around 3 mph.
60°F

Conditions

Wind: 3 mph N
Humidity: 93%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM
60° 59° 61° 65° 69° 72° 75° 77° 78° 79° 80° 81° 81°

Upcoming Week

Day Forecast High Low
Overnight
Patchy Fog
Patchy fog. Mostly clear, with a low around 59. North wind around 3 mph.
94°F 76°F
Tuesday
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 81. Northeast wind around 3 mph.
94°F 76°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 62. East wind around 3 mph.
94°F 76°F
Wednesday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 3 to 8 mph. Chance of precipitation is 20%.
94°F 76°F
Wednesday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southwest wind 1 to 6 mph. Chance of precipitation is 20%.
94°F 76°F
Thursday
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%.
94°F 76°F
Thursday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 80%.
94°F 76°F
Friday
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 80%.
94°F 76°F
Friday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 80%.
94°F 76°F
Saturday
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 60%.
94°F 76°F
Saturday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
94°F 76°F
Sunday
Slight Chance Showers And Thunderstorms then Sunny
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 93. Chance of precipitation is 20%.
94°F 76°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 75.
94°F 76°F
Monday
Sunny
Sunny, with a high near 95.
94°F 76°F
Data provided by weather.gov