Current Weather Conditions for O Fallon, IL
86°F
Conditions
Wind: 9 mph NWHumidity: 75%
Probability of Precipitation: 50%
Hourly Forcast (next 12 hours)
| 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM |
| 86° | 86° | 87° | 87° | 86° | 82° | 79° | 79° | 79° | 77° | 77° | 76° | 75° |
Upcoming Week
| Day | Forecast | High | Low |
|
This Afternoon |
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. Northwest wind 5 to 9 mph. Chance of precipitation is 60%. |
87°F | 68°F |
|
Tonight |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 74. Southwest wind around 3 mph. Chance of precipitation is 50%. |
87°F | 68°F |
|
Friday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 102. West wind 2 to 8 mph. Chance of precipitation is 30%. |
87°F | 68°F |
|
Friday Night |
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 20%. |
87°F | 68°F |
|
Saturday |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 93. West wind 5 to 12 mph. Chance of precipitation is 20%. |
87°F | 68°F |
|
Saturday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 30%. |
87°F | 68°F |
|
Sunday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. |
87°F | 68°F |
|
Sunday Night |
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 20%. |
87°F | 68°F |
|
Monday |
Sunny
Sunny, with a high near 94. |
87°F | 68°F |
|
Monday Night |
Partly Cloudy
Partly cloudy, with a low around 76. |
87°F | 68°F |
|
Tuesday |
Mostly Sunny
Mostly sunny, with a high near 94. |
87°F | 68°F |
|
Tuesday Night |
Partly Cloudy
Partly cloudy, with a low around 70. |
87°F | 68°F |
|
Wednesday |
Mostly Sunny
Mostly sunny, with a high near 85. |
87°F | 68°F |
|
Wednesday Night |
Partly Cloudy
Partly cloudy, with a low around 65. |
87°F | 68°F |
| Data provided by weather.gov | |||