Current Weather Conditions for O Fallon, IL
78°F
Conditions
Wind: 7 mph SHumidity: 76%
Probability of Precipitation: 25%
Hourly Forcast (next 12 hours)
| 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM |
| 78° | 76° | 75° | 75° | 74° | 73° | 73° | 72° | 74° | 74° | 76° | 78° | 79° |
Upcoming Week
| Day | Forecast | High | Low |
|
Tonight |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 8 mph. Chance of precipitation is 30%. |
86°F | 70°F |
|
Monday |
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then showers and thunderstorms between 11am and 1pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Partly sunny, with a high near 84. South wind around 12 mph. Chance of precipitation is 80%. |
86°F | 70°F |
|
Monday Night |
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 9pm, then showers and thunderstorms likely between 9pm and 2am, then a chance of showers and thunderstorms between 2am and 5am. Partly cloudy, with a low around 72. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. |
86°F | 70°F |
|
Tuesday |
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers before 9am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 107. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. |
86°F | 70°F |
|
Tuesday Night |
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. South wind around 7 mph. Chance of precipitation is 20%. |
86°F | 70°F |
|
Wednesday |
Sunny
Sunny, with a high near 94. |
86°F | 70°F |
|
Wednesday Night |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 77. Chance of precipitation is 20%. |
86°F | 70°F |
|
Thursday |
Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%. |
86°F | 70°F |
|
Thursday Night |
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 70%. |
86°F | 70°F |
|
Friday |
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 87. Chance of precipitation is 40%. |
86°F | 70°F |
|
Friday Night |
Slight Chance Rain Showers
A slight chance of rain showers. Mostly clear, with a low around 68. Chance of precipitation is 20%. |
86°F | 70°F |
|
Saturday |
Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
86°F | 70°F |
|
Saturday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%. |
86°F | 70°F |
|
Sunday |
Chance Rain Showers
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%. |
86°F | 70°F |
| Data provided by weather.gov | |||